| 1 | /* Support for printing Ada values for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 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. |
| 11 | |
| 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. |
| 16 | |
| 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/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include <ctype.h> |
| 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" |
| 32 | #include "infcall.h" |
| 33 | #include "objfiles.h" |
| 34 | #include "target-float.h" |
| 35 | #include "cli/cli-style.h" |
| 36 | |
| 37 | static int print_field_values (struct type *, const gdb_byte *, |
| 38 | int, |
| 39 | struct ui_file *, int, |
| 40 | struct value *, |
| 41 | const struct value_print_options *, |
| 42 | int, struct type *, int, |
| 43 | const struct language_defn *); |
| 44 | \f |
| 45 | |
| 46 | /* Make TYPE unsigned if its range of values includes no negatives. */ |
| 47 | static void |
| 48 | adjust_type_signedness (struct type *type) |
| 49 | { |
| 50 | if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE |
| 51 | && TYPE_LOW_BOUND (type) >= 0) |
| 52 | TYPE_UNSIGNED (type) = 1; |
| 53 | } |
| 54 | |
| 55 | /* Assuming TYPE is a simple array type, prints its lower bound on STREAM, |
| 56 | if non-standard (i.e., other than 1 for numbers, other than lower bound |
| 57 | of index type for enumerated type). Returns 1 if something printed, |
| 58 | otherwise 0. */ |
| 59 | |
| 60 | static int |
| 61 | print_optional_low_bound (struct ui_file *stream, struct type *type, |
| 62 | const struct value_print_options *options) |
| 63 | { |
| 64 | struct type *index_type; |
| 65 | LONGEST low_bound; |
| 66 | LONGEST high_bound; |
| 67 | |
| 68 | if (options->print_array_indexes) |
| 69 | return 0; |
| 70 | |
| 71 | if (!get_array_bounds (type, &low_bound, &high_bound)) |
| 72 | return 0; |
| 73 | |
| 74 | /* If this is an empty array, then don't print the lower bound. |
| 75 | That would be confusing, because we would print the lower bound, |
| 76 | followed by... nothing! */ |
| 77 | if (low_bound > high_bound) |
| 78 | return 0; |
| 79 | |
| 80 | index_type = TYPE_INDEX_TYPE (type); |
| 81 | |
| 82 | while (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
| 83 | { |
| 84 | /* We need to know what the base type is, in order to do the |
| 85 | appropriate check below. Otherwise, if this is a subrange |
| 86 | of an enumerated type, where the underlying value of the |
| 87 | first element is typically 0, we might test the low bound |
| 88 | against the wrong value. */ |
| 89 | index_type = TYPE_TARGET_TYPE (index_type); |
| 90 | } |
| 91 | |
| 92 | /* Don't print the lower bound if it's the default one. */ |
| 93 | switch (TYPE_CODE (index_type)) |
| 94 | { |
| 95 | case TYPE_CODE_BOOL: |
| 96 | case TYPE_CODE_CHAR: |
| 97 | if (low_bound == 0) |
| 98 | return 0; |
| 99 | break; |
| 100 | case TYPE_CODE_ENUM: |
| 101 | if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0)) |
| 102 | return 0; |
| 103 | break; |
| 104 | case TYPE_CODE_UNDEF: |
| 105 | index_type = NULL; |
| 106 | /* FALL THROUGH */ |
| 107 | default: |
| 108 | if (low_bound == 1) |
| 109 | return 0; |
| 110 | break; |
| 111 | } |
| 112 | |
| 113 | ada_print_scalar (index_type, low_bound, stream); |
| 114 | fprintf_filtered (stream, " => "); |
| 115 | return 1; |
| 116 | } |
| 117 | |
| 118 | /* Version of val_print_array_elements for GNAT-style packed arrays. |
| 119 | Prints elements of packed array of type TYPE at bit offset |
| 120 | BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and |
| 121 | separates with commas. RECURSE is the recursion (nesting) level. |
| 122 | TYPE must have been decoded (as by ada_coerce_to_simple_array). */ |
| 123 | |
| 124 | static void |
| 125 | val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, |
| 126 | int offset, |
| 127 | int bitoffset, struct ui_file *stream, |
| 128 | int recurse, |
| 129 | struct value *val, |
| 130 | const struct value_print_options *options) |
| 131 | { |
| 132 | unsigned int i; |
| 133 | unsigned int things_printed = 0; |
| 134 | unsigned len; |
| 135 | struct type *elttype, *index_type; |
| 136 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); |
| 137 | struct value *mark = value_mark (); |
| 138 | LONGEST low = 0; |
| 139 | |
| 140 | elttype = TYPE_TARGET_TYPE (type); |
| 141 | index_type = TYPE_INDEX_TYPE (type); |
| 142 | |
| 143 | { |
| 144 | LONGEST high; |
| 145 | struct type *base_index_type; |
| 146 | |
| 147 | if (get_discrete_bounds (index_type, &low, &high) < 0) |
| 148 | len = 1; |
| 149 | else |
| 150 | len = high - low + 1; |
| 151 | |
| 152 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
| 153 | base_index_type = TYPE_TARGET_TYPE (index_type); |
| 154 | else |
| 155 | base_index_type = index_type; |
| 156 | |
| 157 | if (TYPE_CODE (base_index_type) == TYPE_CODE_ENUM) |
| 158 | { |
| 159 | LONGEST low_pos, high_pos; |
| 160 | |
| 161 | /* Non-contiguous enumerations types can by used as index types |
| 162 | so the array length is computed from the positions of the |
| 163 | first and last literal in the enumeration type, and not from |
| 164 | the values of these literals. */ |
| 165 | |
| 166 | if (!discrete_position (base_index_type, low, &low_pos) |
| 167 | || !discrete_position (base_index_type, high, &high_pos)) |
| 168 | { |
| 169 | warning (_("unable to get positions in array, use bounds instead")); |
| 170 | low_pos = low; |
| 171 | high_pos = high; |
| 172 | } |
| 173 | |
| 174 | /* The array length should normally be HIGH_POS - LOW_POS + 1. |
| 175 | But in Ada we allow LOW_POS to be greater than HIGH_POS for |
| 176 | empty arrays. In that situation, the array length is just zero, |
| 177 | not negative! */ |
| 178 | |
| 179 | if (low_pos > high_pos) |
| 180 | len = 0; |
| 181 | else |
| 182 | len = high_pos - low_pos + 1; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | i = 0; |
| 187 | annotate_array_section_begin (i, elttype); |
| 188 | |
| 189 | while (i < len && things_printed < options->print_max) |
| 190 | { |
| 191 | struct value *v0, *v1; |
| 192 | int i0; |
| 193 | |
| 194 | if (i != 0) |
| 195 | { |
| 196 | if (options->prettyformat_arrays) |
| 197 | { |
| 198 | fprintf_filtered (stream, ",\n"); |
| 199 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 200 | } |
| 201 | else |
| 202 | { |
| 203 | fprintf_filtered (stream, ", "); |
| 204 | } |
| 205 | } |
| 206 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 207 | maybe_print_array_index (index_type, i + low, stream, options); |
| 208 | |
| 209 | i0 = i; |
| 210 | v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
| 211 | (i0 * bitsize) / HOST_CHAR_BIT, |
| 212 | (i0 * bitsize) % HOST_CHAR_BIT, |
| 213 | bitsize, elttype); |
| 214 | while (1) |
| 215 | { |
| 216 | i += 1; |
| 217 | if (i >= len) |
| 218 | break; |
| 219 | v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
| 220 | (i * bitsize) / HOST_CHAR_BIT, |
| 221 | (i * bitsize) % HOST_CHAR_BIT, |
| 222 | bitsize, elttype); |
| 223 | if (TYPE_LENGTH (check_typedef (value_type (v0))) |
| 224 | != TYPE_LENGTH (check_typedef (value_type (v1)))) |
| 225 | break; |
| 226 | if (!value_contents_eq (v0, value_embedded_offset (v0), |
| 227 | v1, value_embedded_offset (v1), |
| 228 | TYPE_LENGTH (check_typedef (value_type (v0))))) |
| 229 | break; |
| 230 | } |
| 231 | |
| 232 | if (i - i0 > options->repeat_count_threshold) |
| 233 | { |
| 234 | struct value_print_options opts = *options; |
| 235 | |
| 236 | opts.deref_ref = 0; |
| 237 | val_print (elttype, |
| 238 | value_embedded_offset (v0), 0, stream, |
| 239 | recurse + 1, v0, &opts, current_language); |
| 240 | annotate_elt_rep (i - i0); |
| 241 | fprintf_filtered (stream, _(" %p[<repeats %u times>%p]"), |
| 242 | metadata_style.style ().ptr (), i - i0, nullptr); |
| 243 | annotate_elt_rep_end (); |
| 244 | |
| 245 | } |
| 246 | else |
| 247 | { |
| 248 | int j; |
| 249 | struct value_print_options opts = *options; |
| 250 | |
| 251 | opts.deref_ref = 0; |
| 252 | for (j = i0; j < i; j += 1) |
| 253 | { |
| 254 | if (j > i0) |
| 255 | { |
| 256 | if (options->prettyformat_arrays) |
| 257 | { |
| 258 | fprintf_filtered (stream, ",\n"); |
| 259 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 260 | } |
| 261 | else |
| 262 | { |
| 263 | fprintf_filtered (stream, ", "); |
| 264 | } |
| 265 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 266 | maybe_print_array_index (index_type, j + low, |
| 267 | stream, options); |
| 268 | } |
| 269 | val_print (elttype, |
| 270 | value_embedded_offset (v0), 0, stream, |
| 271 | recurse + 1, v0, &opts, current_language); |
| 272 | annotate_elt (); |
| 273 | } |
| 274 | } |
| 275 | things_printed += i - i0; |
| 276 | } |
| 277 | annotate_array_section_end (); |
| 278 | if (i < len) |
| 279 | { |
| 280 | fprintf_filtered (stream, "..."); |
| 281 | } |
| 282 | |
| 283 | value_free_to_mark (mark); |
| 284 | } |
| 285 | |
| 286 | static struct type * |
| 287 | printable_val_type (struct type *type, const gdb_byte *valaddr) |
| 288 | { |
| 289 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1); |
| 290 | } |
| 291 | |
| 292 | /* Print the character C on STREAM as part of the contents of a literal |
| 293 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes |
| 294 | of the character. */ |
| 295 | |
| 296 | void |
| 297 | ada_emit_char (int c, struct type *type, struct ui_file *stream, |
| 298 | int quoter, int type_len) |
| 299 | { |
| 300 | /* If this character fits in the normal ASCII range, and is |
| 301 | a printable character, then print the character as if it was |
| 302 | an ASCII character, even if this is a wide character. |
| 303 | The UCHAR_MAX check is necessary because the isascii function |
| 304 | requires that its argument have a value of an unsigned char, |
| 305 | or EOF (EOF is obviously not printable). */ |
| 306 | if (c <= UCHAR_MAX && isascii (c) && isprint (c)) |
| 307 | { |
| 308 | if (c == quoter && c == '"') |
| 309 | fprintf_filtered (stream, "\"\""); |
| 310 | else |
| 311 | fprintf_filtered (stream, "%c", c); |
| 312 | } |
| 313 | else |
| 314 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
| 315 | } |
| 316 | |
| 317 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes |
| 318 | of a character. */ |
| 319 | |
| 320 | static int |
| 321 | char_at (const gdb_byte *string, int i, int type_len, |
| 322 | enum bfd_endian byte_order) |
| 323 | { |
| 324 | if (type_len == 1) |
| 325 | return string[i]; |
| 326 | else |
| 327 | return (int) extract_unsigned_integer (string + type_len * i, |
| 328 | type_len, byte_order); |
| 329 | } |
| 330 | |
| 331 | /* Print a floating-point value of type TYPE, pointed to in GDB by |
| 332 | VALADDR, on STREAM. Use Ada formatting conventions: there must be |
| 333 | a decimal point, and at least one digit before and after the |
| 334 | point. We use the GNAT format for NaNs and infinities. */ |
| 335 | |
| 336 | static void |
| 337 | ada_print_floating (const gdb_byte *valaddr, struct type *type, |
| 338 | struct ui_file *stream) |
| 339 | { |
| 340 | string_file tmp_stream; |
| 341 | |
| 342 | print_floating (valaddr, type, &tmp_stream); |
| 343 | |
| 344 | std::string &s = tmp_stream.string (); |
| 345 | size_t skip_count = 0; |
| 346 | |
| 347 | /* Modify for Ada rules. */ |
| 348 | |
| 349 | size_t pos = s.find ("inf"); |
| 350 | if (pos == std::string::npos) |
| 351 | pos = s.find ("Inf"); |
| 352 | if (pos == std::string::npos) |
| 353 | pos = s.find ("INF"); |
| 354 | if (pos != std::string::npos) |
| 355 | s.replace (pos, 3, "Inf"); |
| 356 | |
| 357 | if (pos == std::string::npos) |
| 358 | { |
| 359 | pos = s.find ("nan"); |
| 360 | if (pos == std::string::npos) |
| 361 | pos = s.find ("NaN"); |
| 362 | if (pos == std::string::npos) |
| 363 | pos = s.find ("Nan"); |
| 364 | if (pos != std::string::npos) |
| 365 | { |
| 366 | s[pos] = s[pos + 2] = 'N'; |
| 367 | if (s[0] == '-') |
| 368 | skip_count = 1; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | if (pos == std::string::npos |
| 373 | && s.find ('.') == std::string::npos) |
| 374 | { |
| 375 | pos = s.find ('e'); |
| 376 | if (pos == std::string::npos) |
| 377 | fprintf_filtered (stream, "%s.0", s.c_str ()); |
| 378 | else |
| 379 | fprintf_filtered (stream, "%.*s.0%s", (int) pos, s.c_str (), &s[pos]); |
| 380 | } |
| 381 | else |
| 382 | fprintf_filtered (stream, "%s", &s[skip_count]); |
| 383 | } |
| 384 | |
| 385 | void |
| 386 | ada_printchar (int c, struct type *type, struct ui_file *stream) |
| 387 | { |
| 388 | fputs_filtered ("'", stream); |
| 389 | ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type)); |
| 390 | fputs_filtered ("'", stream); |
| 391 | } |
| 392 | |
| 393 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a |
| 394 | form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL |
| 395 | like a default signed integer. */ |
| 396 | |
| 397 | void |
| 398 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
| 399 | { |
| 400 | unsigned int i; |
| 401 | unsigned len; |
| 402 | |
| 403 | if (!type) |
| 404 | { |
| 405 | print_longest (stream, 'd', 0, val); |
| 406 | return; |
| 407 | } |
| 408 | |
| 409 | type = ada_check_typedef (type); |
| 410 | |
| 411 | switch (TYPE_CODE (type)) |
| 412 | { |
| 413 | |
| 414 | case TYPE_CODE_ENUM: |
| 415 | len = TYPE_NFIELDS (type); |
| 416 | for (i = 0; i < len; i++) |
| 417 | { |
| 418 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
| 419 | { |
| 420 | break; |
| 421 | } |
| 422 | } |
| 423 | if (i < len) |
| 424 | { |
| 425 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); |
| 426 | } |
| 427 | else |
| 428 | { |
| 429 | print_longest (stream, 'd', 0, val); |
| 430 | } |
| 431 | break; |
| 432 | |
| 433 | case TYPE_CODE_INT: |
| 434 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); |
| 435 | break; |
| 436 | |
| 437 | case TYPE_CODE_CHAR: |
| 438 | LA_PRINT_CHAR (val, type, stream); |
| 439 | break; |
| 440 | |
| 441 | case TYPE_CODE_BOOL: |
| 442 | fprintf_filtered (stream, val ? "true" : "false"); |
| 443 | break; |
| 444 | |
| 445 | case TYPE_CODE_RANGE: |
| 446 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); |
| 447 | return; |
| 448 | |
| 449 | case TYPE_CODE_UNDEF: |
| 450 | case TYPE_CODE_PTR: |
| 451 | case TYPE_CODE_ARRAY: |
| 452 | case TYPE_CODE_STRUCT: |
| 453 | case TYPE_CODE_UNION: |
| 454 | case TYPE_CODE_FUNC: |
| 455 | case TYPE_CODE_FLT: |
| 456 | case TYPE_CODE_VOID: |
| 457 | case TYPE_CODE_SET: |
| 458 | case TYPE_CODE_STRING: |
| 459 | case TYPE_CODE_ERROR: |
| 460 | case TYPE_CODE_MEMBERPTR: |
| 461 | case TYPE_CODE_METHODPTR: |
| 462 | case TYPE_CODE_METHOD: |
| 463 | case TYPE_CODE_REF: |
| 464 | warning (_("internal error: unhandled type in ada_print_scalar")); |
| 465 | break; |
| 466 | |
| 467 | default: |
| 468 | error (_("Invalid type code in symbol table.")); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | /* Print the character string STRING, printing at most LENGTH characters. |
| 473 | Printing stops early if the number hits print_max; repeat counts |
| 474 | are printed as appropriate. Print ellipses at the end if we |
| 475 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. |
| 476 | TYPE_LEN is the length (1 or 2) of the character type. */ |
| 477 | |
| 478 | static void |
| 479 | printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string, |
| 480 | unsigned int length, int force_ellipses, int type_len, |
| 481 | const struct value_print_options *options) |
| 482 | { |
| 483 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (elttype)); |
| 484 | unsigned int i; |
| 485 | unsigned int things_printed = 0; |
| 486 | int in_quotes = 0; |
| 487 | int need_comma = 0; |
| 488 | |
| 489 | if (length == 0) |
| 490 | { |
| 491 | fputs_filtered ("\"\"", stream); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | for (i = 0; i < length && things_printed < options->print_max; i += 1) |
| 496 | { |
| 497 | /* Position of the character we are examining |
| 498 | to see whether it is repeated. */ |
| 499 | unsigned int rep1; |
| 500 | /* Number of repetitions we have detected so far. */ |
| 501 | unsigned int reps; |
| 502 | |
| 503 | QUIT; |
| 504 | |
| 505 | if (need_comma) |
| 506 | { |
| 507 | fputs_filtered (", ", stream); |
| 508 | need_comma = 0; |
| 509 | } |
| 510 | |
| 511 | rep1 = i + 1; |
| 512 | reps = 1; |
| 513 | while (rep1 < length |
| 514 | && char_at (string, rep1, type_len, byte_order) |
| 515 | == char_at (string, i, type_len, byte_order)) |
| 516 | { |
| 517 | rep1 += 1; |
| 518 | reps += 1; |
| 519 | } |
| 520 | |
| 521 | if (reps > options->repeat_count_threshold) |
| 522 | { |
| 523 | if (in_quotes) |
| 524 | { |
| 525 | fputs_filtered ("\", ", stream); |
| 526 | in_quotes = 0; |
| 527 | } |
| 528 | fputs_filtered ("'", stream); |
| 529 | ada_emit_char (char_at (string, i, type_len, byte_order), |
| 530 | elttype, stream, '\'', type_len); |
| 531 | fputs_filtered ("'", stream); |
| 532 | fprintf_filtered (stream, _(" %p[<repeats %u times>%p]"), |
| 533 | metadata_style.style ().ptr (), reps, nullptr); |
| 534 | i = rep1 - 1; |
| 535 | things_printed += options->repeat_count_threshold; |
| 536 | need_comma = 1; |
| 537 | } |
| 538 | else |
| 539 | { |
| 540 | if (!in_quotes) |
| 541 | { |
| 542 | fputs_filtered ("\"", stream); |
| 543 | in_quotes = 1; |
| 544 | } |
| 545 | ada_emit_char (char_at (string, i, type_len, byte_order), |
| 546 | elttype, stream, '"', type_len); |
| 547 | things_printed += 1; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | /* Terminate the quotes if necessary. */ |
| 552 | if (in_quotes) |
| 553 | fputs_filtered ("\"", stream); |
| 554 | |
| 555 | if (force_ellipses || i < length) |
| 556 | fputs_filtered ("...", stream); |
| 557 | } |
| 558 | |
| 559 | void |
| 560 | ada_printstr (struct ui_file *stream, struct type *type, |
| 561 | const gdb_byte *string, unsigned int length, |
| 562 | const char *encoding, int force_ellipses, |
| 563 | const struct value_print_options *options) |
| 564 | { |
| 565 | printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type), |
| 566 | options); |
| 567 | } |
| 568 | |
| 569 | static int |
| 570 | print_variant_part (struct type *type, int field_num, |
| 571 | const gdb_byte *valaddr, int offset, |
| 572 | struct ui_file *stream, int recurse, |
| 573 | struct value *val, |
| 574 | const struct value_print_options *options, |
| 575 | int comma_needed, |
| 576 | struct type *outer_type, int outer_offset, |
| 577 | const struct language_defn *language) |
| 578 | { |
| 579 | struct type *var_type = TYPE_FIELD_TYPE (type, field_num); |
| 580 | int which = ada_which_variant_applies (var_type, outer_type, |
| 581 | valaddr + outer_offset); |
| 582 | |
| 583 | if (which < 0) |
| 584 | return 0; |
| 585 | else |
| 586 | return print_field_values |
| 587 | (TYPE_FIELD_TYPE (var_type, which), |
| 588 | valaddr, |
| 589 | offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT |
| 590 | + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT, |
| 591 | stream, recurse, val, options, |
| 592 | comma_needed, outer_type, outer_offset, language); |
| 593 | } |
| 594 | |
| 595 | /* Print out fields of value at VALADDR + OFFSET having structure type TYPE. |
| 596 | |
| 597 | TYPE, VALADDR, OFFSET, STREAM, RECURSE, and OPTIONS have the same |
| 598 | meanings as in ada_print_value and ada_val_print. |
| 599 | |
| 600 | OUTER_TYPE and OUTER_OFFSET give type and address of enclosing |
| 601 | record (used to get discriminant values when printing variant |
| 602 | parts). |
| 603 | |
| 604 | COMMA_NEEDED is 1 if fields have been printed at the current recursion |
| 605 | level, so that a comma is needed before any field printed by this |
| 606 | call. |
| 607 | |
| 608 | Returns 1 if COMMA_NEEDED or any fields were printed. */ |
| 609 | |
| 610 | static int |
| 611 | print_field_values (struct type *type, const gdb_byte *valaddr, |
| 612 | int offset, struct ui_file *stream, int recurse, |
| 613 | struct value *val, |
| 614 | const struct value_print_options *options, |
| 615 | int comma_needed, |
| 616 | struct type *outer_type, int outer_offset, |
| 617 | const struct language_defn *language) |
| 618 | { |
| 619 | int i, len; |
| 620 | |
| 621 | len = TYPE_NFIELDS (type); |
| 622 | |
| 623 | for (i = 0; i < len; i += 1) |
| 624 | { |
| 625 | if (ada_is_ignored_field (type, i)) |
| 626 | continue; |
| 627 | |
| 628 | if (ada_is_wrapper_field (type, i)) |
| 629 | { |
| 630 | comma_needed = |
| 631 | print_field_values (TYPE_FIELD_TYPE (type, i), |
| 632 | valaddr, |
| 633 | (offset |
| 634 | + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
| 635 | stream, recurse, val, options, |
| 636 | comma_needed, type, offset, language); |
| 637 | continue; |
| 638 | } |
| 639 | else if (ada_is_variant_part (type, i)) |
| 640 | { |
| 641 | comma_needed = |
| 642 | print_variant_part (type, i, valaddr, |
| 643 | offset, stream, recurse, val, |
| 644 | options, comma_needed, |
| 645 | outer_type, outer_offset, language); |
| 646 | continue; |
| 647 | } |
| 648 | |
| 649 | if (comma_needed) |
| 650 | fprintf_filtered (stream, ", "); |
| 651 | comma_needed = 1; |
| 652 | |
| 653 | if (options->prettyformat) |
| 654 | { |
| 655 | fprintf_filtered (stream, "\n"); |
| 656 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 657 | } |
| 658 | else |
| 659 | { |
| 660 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 661 | } |
| 662 | |
| 663 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)); |
| 664 | fprintf_filtered (stream, "%.*s", |
| 665 | ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), |
| 666 | TYPE_FIELD_NAME (type, i)); |
| 667 | annotate_field_name_end (); |
| 668 | fputs_filtered (" => ", stream); |
| 669 | annotate_field_value (); |
| 670 | |
| 671 | if (TYPE_FIELD_PACKED (type, i)) |
| 672 | { |
| 673 | /* Bitfields require special handling, especially due to byte |
| 674 | order problems. */ |
| 675 | if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i)) |
| 676 | { |
| 677 | fputs_styled (_("<optimized out or zero length>"), |
| 678 | metadata_style.style (), stream); |
| 679 | } |
| 680 | else |
| 681 | { |
| 682 | struct value *v; |
| 683 | int bit_pos = TYPE_FIELD_BITPOS (type, i); |
| 684 | int bit_size = TYPE_FIELD_BITSIZE (type, i); |
| 685 | struct value_print_options opts; |
| 686 | |
| 687 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); |
| 688 | v = ada_value_primitive_packed_val |
| 689 | (NULL, valaddr, |
| 690 | offset + bit_pos / HOST_CHAR_BIT, |
| 691 | bit_pos % HOST_CHAR_BIT, |
| 692 | bit_size, TYPE_FIELD_TYPE (type, i)); |
| 693 | opts = *options; |
| 694 | opts.deref_ref = 0; |
| 695 | val_print (TYPE_FIELD_TYPE (type, i), |
| 696 | value_embedded_offset (v), 0, |
| 697 | stream, recurse + 1, v, |
| 698 | &opts, language); |
| 699 | } |
| 700 | } |
| 701 | else |
| 702 | { |
| 703 | struct value_print_options opts = *options; |
| 704 | |
| 705 | opts.deref_ref = 0; |
| 706 | val_print (TYPE_FIELD_TYPE (type, i), |
| 707 | (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
| 708 | 0, stream, recurse + 1, val, &opts, language); |
| 709 | } |
| 710 | annotate_field_end (); |
| 711 | } |
| 712 | |
| 713 | return comma_needed; |
| 714 | } |
| 715 | |
| 716 | /* Implement Ada val_print'ing for the case where TYPE is |
| 717 | a TYPE_CODE_ARRAY of characters. */ |
| 718 | |
| 719 | static void |
| 720 | ada_val_print_string (struct type *type, const gdb_byte *valaddr, |
| 721 | int offset, int offset_aligned, CORE_ADDR address, |
| 722 | struct ui_file *stream, int recurse, |
| 723 | struct value *original_value, |
| 724 | const struct value_print_options *options) |
| 725 | { |
| 726 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
| 727 | struct type *elttype = TYPE_TARGET_TYPE (type); |
| 728 | unsigned int eltlen; |
| 729 | unsigned int len; |
| 730 | |
| 731 | /* We know that ELTTYPE cannot possibly be null, because we assume |
| 732 | that we're called only when TYPE is a string-like type. |
| 733 | Similarly, the size of ELTTYPE should also be non-null, since |
| 734 | it's a character-like type. */ |
| 735 | gdb_assert (elttype != NULL); |
| 736 | gdb_assert (TYPE_LENGTH (elttype) != 0); |
| 737 | |
| 738 | eltlen = TYPE_LENGTH (elttype); |
| 739 | len = TYPE_LENGTH (type) / eltlen; |
| 740 | |
| 741 | if (options->prettyformat_arrays) |
| 742 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 743 | |
| 744 | /* If requested, look for the first null char and only print |
| 745 | elements up to it. */ |
| 746 | if (options->stop_print_at_null) |
| 747 | { |
| 748 | int temp_len; |
| 749 | |
| 750 | /* Look for a NULL char. */ |
| 751 | for (temp_len = 0; |
| 752 | (temp_len < len |
| 753 | && temp_len < options->print_max |
| 754 | && char_at (valaddr + offset_aligned, |
| 755 | temp_len, eltlen, byte_order) != 0); |
| 756 | temp_len += 1); |
| 757 | len = temp_len; |
| 758 | } |
| 759 | |
| 760 | printstr (stream, elttype, valaddr + offset_aligned, len, 0, |
| 761 | eltlen, options); |
| 762 | } |
| 763 | |
| 764 | /* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers, |
| 765 | thin pointers, etc). */ |
| 766 | |
| 767 | static void |
| 768 | ada_val_print_gnat_array (struct type *type, const gdb_byte *valaddr, |
| 769 | int offset, CORE_ADDR address, |
| 770 | struct ui_file *stream, int recurse, |
| 771 | struct value *original_value, |
| 772 | const struct value_print_options *options) |
| 773 | { |
| 774 | struct value *mark = value_mark (); |
| 775 | struct value *val; |
| 776 | |
| 777 | val = value_from_contents_and_address (type, valaddr + offset, address); |
| 778 | /* If this is a reference, coerce it now. This helps taking care |
| 779 | of the case where ADDRESS is meaningless because original_value |
| 780 | was not an lval. */ |
| 781 | val = coerce_ref (val); |
| 782 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */ |
| 783 | val = ada_coerce_to_simple_array_ptr (val); |
| 784 | else |
| 785 | val = ada_coerce_to_simple_array (val); |
| 786 | if (val == NULL) |
| 787 | { |
| 788 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF); |
| 789 | fprintf_filtered (stream, "0x0"); |
| 790 | } |
| 791 | else |
| 792 | val_print (value_type (val), |
| 793 | value_embedded_offset (val), value_address (val), |
| 794 | stream, recurse, val, options, |
| 795 | language_def (language_ada)); |
| 796 | value_free_to_mark (mark); |
| 797 | } |
| 798 | |
| 799 | /* Implement Ada val_print'ing for the case where TYPE is |
| 800 | a TYPE_CODE_PTR. */ |
| 801 | |
| 802 | static void |
| 803 | ada_val_print_ptr (struct type *type, const gdb_byte *valaddr, |
| 804 | int offset, int offset_aligned, CORE_ADDR address, |
| 805 | struct ui_file *stream, int recurse, |
| 806 | struct value *original_value, |
| 807 | const struct value_print_options *options) |
| 808 | { |
| 809 | val_print (type, offset, address, stream, recurse, |
| 810 | original_value, options, language_def (language_c)); |
| 811 | |
| 812 | if (ada_is_tag_type (type)) |
| 813 | { |
| 814 | struct value *val = |
| 815 | value_from_contents_and_address (type, |
| 816 | valaddr + offset_aligned, |
| 817 | address + offset_aligned); |
| 818 | const char *name = ada_tag_name (val); |
| 819 | |
| 820 | if (name != NULL) |
| 821 | fprintf_filtered (stream, " (%s)", name); |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | /* Implement Ada val_print'ing for the case where TYPE is |
| 826 | a TYPE_CODE_INT or TYPE_CODE_RANGE. */ |
| 827 | |
| 828 | static void |
| 829 | ada_val_print_num (struct type *type, const gdb_byte *valaddr, |
| 830 | int offset, int offset_aligned, CORE_ADDR address, |
| 831 | struct ui_file *stream, int recurse, |
| 832 | struct value *original_value, |
| 833 | const struct value_print_options *options) |
| 834 | { |
| 835 | if (ada_is_fixed_point_type (type)) |
| 836 | { |
| 837 | struct value *scale = ada_scaling_factor (type); |
| 838 | struct value *v = value_from_contents (type, valaddr + offset_aligned); |
| 839 | v = value_cast (value_type (scale), v); |
| 840 | v = value_binop (v, scale, BINOP_MUL); |
| 841 | |
| 842 | const char *fmt = TYPE_LENGTH (type) < 4 ? "%.11g" : "%.17g"; |
| 843 | std::string str |
| 844 | = target_float_to_string (value_contents (v), value_type (v), fmt); |
| 845 | fputs_filtered (str.c_str (), stream); |
| 846 | return; |
| 847 | } |
| 848 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE |
| 849 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ENUM |
| 850 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_BOOL |
| 851 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CHAR)) |
| 852 | { |
| 853 | /* For enum-valued ranges, we want to recurse, because we'll end |
| 854 | up printing the constant's name rather than its numeric |
| 855 | value. Character and fixed-point types are also printed |
| 856 | differently, so recuse for those as well. */ |
| 857 | struct type *target_type = TYPE_TARGET_TYPE (type); |
| 858 | |
| 859 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) |
| 860 | { |
| 861 | /* Obscure case of range type that has different length from |
| 862 | its base type. Perform a conversion, or we will get a |
| 863 | nonsense value. Actually, we could use the same |
| 864 | code regardless of lengths; I'm just avoiding a cast. */ |
| 865 | struct value *v1 |
| 866 | = value_from_contents_and_address (type, valaddr + offset, 0); |
| 867 | struct value *v = value_cast (target_type, v1); |
| 868 | |
| 869 | val_print (target_type, |
| 870 | value_embedded_offset (v), 0, stream, |
| 871 | recurse + 1, v, options, |
| 872 | language_def (language_ada)); |
| 873 | } |
| 874 | else |
| 875 | val_print (TYPE_TARGET_TYPE (type), offset, |
| 876 | address, stream, recurse, original_value, |
| 877 | options, language_def (language_ada)); |
| 878 | return; |
| 879 | } |
| 880 | else |
| 881 | { |
| 882 | int format = (options->format ? options->format |
| 883 | : options->output_format); |
| 884 | |
| 885 | if (format) |
| 886 | { |
| 887 | struct value_print_options opts = *options; |
| 888 | |
| 889 | opts.format = format; |
| 890 | val_print_scalar_formatted (type, offset_aligned, |
| 891 | original_value, &opts, 0, stream); |
| 892 | } |
| 893 | else if (ada_is_system_address_type (type)) |
| 894 | { |
| 895 | /* FIXME: We want to print System.Address variables using |
| 896 | the same format as for any access type. But for some |
| 897 | reason GNAT encodes the System.Address type as an int, |
| 898 | so we have to work-around this deficiency by handling |
| 899 | System.Address values as a special case. */ |
| 900 | |
| 901 | struct gdbarch *gdbarch = get_type_arch (type); |
| 902 | struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr; |
| 903 | CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned, |
| 904 | ptr_type); |
| 905 | |
| 906 | fprintf_filtered (stream, "("); |
| 907 | type_print (type, "", stream, -1); |
| 908 | fprintf_filtered (stream, ") "); |
| 909 | fputs_filtered (paddress (gdbarch, addr), stream); |
| 910 | } |
| 911 | else |
| 912 | { |
| 913 | val_print_scalar_formatted (type, offset_aligned, |
| 914 | original_value, options, 0, stream); |
| 915 | if (ada_is_character_type (type)) |
| 916 | { |
| 917 | LONGEST c; |
| 918 | |
| 919 | fputs_filtered (" ", stream); |
| 920 | c = unpack_long (type, valaddr + offset_aligned); |
| 921 | ada_printchar (c, type, stream); |
| 922 | } |
| 923 | } |
| 924 | return; |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | /* Implement Ada val_print'ing for the case where TYPE is |
| 929 | a TYPE_CODE_ENUM. */ |
| 930 | |
| 931 | static void |
| 932 | ada_val_print_enum (struct type *type, const gdb_byte *valaddr, |
| 933 | int offset, int offset_aligned, CORE_ADDR address, |
| 934 | struct ui_file *stream, int recurse, |
| 935 | struct value *original_value, |
| 936 | const struct value_print_options *options) |
| 937 | { |
| 938 | int i; |
| 939 | unsigned int len; |
| 940 | LONGEST val; |
| 941 | |
| 942 | if (options->format) |
| 943 | { |
| 944 | val_print_scalar_formatted (type, offset_aligned, |
| 945 | original_value, options, 0, stream); |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | len = TYPE_NFIELDS (type); |
| 950 | val = unpack_long (type, valaddr + offset_aligned); |
| 951 | for (i = 0; i < len; i++) |
| 952 | { |
| 953 | QUIT; |
| 954 | if (val == TYPE_FIELD_ENUMVAL (type, i)) |
| 955 | break; |
| 956 | } |
| 957 | |
| 958 | if (i < len) |
| 959 | { |
| 960 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); |
| 961 | |
| 962 | if (name[0] == '\'') |
| 963 | fprintf_filtered (stream, "%ld %s", (long) val, name); |
| 964 | else |
| 965 | fputs_filtered (name, stream); |
| 966 | } |
| 967 | else |
| 968 | print_longest (stream, 'd', 0, val); |
| 969 | } |
| 970 | |
| 971 | /* Implement Ada val_print'ing for the case where TYPE is |
| 972 | a TYPE_CODE_FLT. */ |
| 973 | |
| 974 | static void |
| 975 | ada_val_print_flt (struct type *type, const gdb_byte *valaddr, |
| 976 | int offset, int offset_aligned, CORE_ADDR address, |
| 977 | struct ui_file *stream, int recurse, |
| 978 | struct value *original_value, |
| 979 | const struct value_print_options *options) |
| 980 | { |
| 981 | if (options->format) |
| 982 | { |
| 983 | val_print (type, offset, address, stream, recurse, |
| 984 | original_value, options, language_def (language_c)); |
| 985 | return; |
| 986 | } |
| 987 | |
| 988 | ada_print_floating (valaddr + offset, type, stream); |
| 989 | } |
| 990 | |
| 991 | /* Implement Ada val_print'ing for the case where TYPE is |
| 992 | a TYPE_CODE_STRUCT or TYPE_CODE_UNION. */ |
| 993 | |
| 994 | static void |
| 995 | ada_val_print_struct_union |
| 996 | (struct type *type, const gdb_byte *valaddr, int offset, |
| 997 | int offset_aligned, CORE_ADDR address, struct ui_file *stream, |
| 998 | int recurse, struct value *original_value, |
| 999 | const struct value_print_options *options) |
| 1000 | { |
| 1001 | if (ada_is_bogus_array_descriptor (type)) |
| 1002 | { |
| 1003 | fprintf_filtered (stream, "(...?)"); |
| 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | fprintf_filtered (stream, "("); |
| 1008 | |
| 1009 | if (print_field_values (type, valaddr, offset_aligned, |
| 1010 | stream, recurse, original_value, options, |
| 1011 | 0, type, offset_aligned, |
| 1012 | language_def (language_ada)) != 0 |
| 1013 | && options->prettyformat) |
| 1014 | { |
| 1015 | fprintf_filtered (stream, "\n"); |
| 1016 | print_spaces_filtered (2 * recurse, stream); |
| 1017 | } |
| 1018 | |
| 1019 | fprintf_filtered (stream, ")"); |
| 1020 | } |
| 1021 | |
| 1022 | /* Implement Ada val_print'ing for the case where TYPE is |
| 1023 | a TYPE_CODE_ARRAY. */ |
| 1024 | |
| 1025 | static void |
| 1026 | ada_val_print_array (struct type *type, const gdb_byte *valaddr, |
| 1027 | int offset, int offset_aligned, CORE_ADDR address, |
| 1028 | struct ui_file *stream, int recurse, |
| 1029 | struct value *original_value, |
| 1030 | const struct value_print_options *options) |
| 1031 | { |
| 1032 | /* For an array of characters, print with string syntax. */ |
| 1033 | if (ada_is_string_type (type) |
| 1034 | && (options->format == 0 || options->format == 's')) |
| 1035 | { |
| 1036 | ada_val_print_string (type, valaddr, offset, offset_aligned, |
| 1037 | address, stream, recurse, original_value, |
| 1038 | options); |
| 1039 | return; |
| 1040 | } |
| 1041 | |
| 1042 | fprintf_filtered (stream, "("); |
| 1043 | print_optional_low_bound (stream, type, options); |
| 1044 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) |
| 1045 | val_print_packed_array_elements (type, valaddr, offset_aligned, |
| 1046 | 0, stream, recurse, |
| 1047 | original_value, options); |
| 1048 | else |
| 1049 | val_print_array_elements (type, offset_aligned, address, |
| 1050 | stream, recurse, original_value, |
| 1051 | options, 0); |
| 1052 | fprintf_filtered (stream, ")"); |
| 1053 | } |
| 1054 | |
| 1055 | /* Implement Ada val_print'ing for the case where TYPE is |
| 1056 | a TYPE_CODE_REF. */ |
| 1057 | |
| 1058 | static void |
| 1059 | ada_val_print_ref (struct type *type, const gdb_byte *valaddr, |
| 1060 | int offset, int offset_aligned, CORE_ADDR address, |
| 1061 | struct ui_file *stream, int recurse, |
| 1062 | struct value *original_value, |
| 1063 | const struct value_print_options *options) |
| 1064 | { |
| 1065 | /* For references, the debugger is expected to print the value as |
| 1066 | an address if DEREF_REF is null. But printing an address in place |
| 1067 | of the object value would be confusing to an Ada programmer. |
| 1068 | So, for Ada values, we print the actual dereferenced value |
| 1069 | regardless. */ |
| 1070 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 1071 | struct value *deref_val; |
| 1072 | CORE_ADDR deref_val_int; |
| 1073 | |
| 1074 | if (TYPE_CODE (elttype) == TYPE_CODE_UNDEF) |
| 1075 | { |
| 1076 | fputs_styled ("<ref to undefined type>", metadata_style.style (), |
| 1077 | stream); |
| 1078 | return; |
| 1079 | } |
| 1080 | |
| 1081 | deref_val = coerce_ref_if_computed (original_value); |
| 1082 | if (deref_val) |
| 1083 | { |
| 1084 | if (ada_is_tagged_type (value_type (deref_val), 1)) |
| 1085 | deref_val = ada_tag_value_at_base_address (deref_val); |
| 1086 | |
| 1087 | common_val_print (deref_val, stream, recurse + 1, options, |
| 1088 | language_def (language_ada)); |
| 1089 | return; |
| 1090 | } |
| 1091 | |
| 1092 | deref_val_int = unpack_pointer (type, valaddr + offset_aligned); |
| 1093 | if (deref_val_int == 0) |
| 1094 | { |
| 1095 | fputs_filtered ("(null)", stream); |
| 1096 | return; |
| 1097 | } |
| 1098 | |
| 1099 | deref_val |
| 1100 | = ada_value_ind (value_from_pointer (lookup_pointer_type (elttype), |
| 1101 | deref_val_int)); |
| 1102 | if (ada_is_tagged_type (value_type (deref_val), 1)) |
| 1103 | deref_val = ada_tag_value_at_base_address (deref_val); |
| 1104 | |
| 1105 | /* Make sure that the object does not have an unreasonable size |
| 1106 | before trying to print it. This can happen for instance with |
| 1107 | references to dynamic objects whose contents is uninitialized |
| 1108 | (Eg: an array whose bounds are not set yet). */ |
| 1109 | ada_ensure_varsize_limit (value_type (deref_val)); |
| 1110 | |
| 1111 | if (value_lazy (deref_val)) |
| 1112 | value_fetch_lazy (deref_val); |
| 1113 | |
| 1114 | val_print (value_type (deref_val), |
| 1115 | value_embedded_offset (deref_val), |
| 1116 | value_address (deref_val), stream, recurse + 1, |
| 1117 | deref_val, options, language_def (language_ada)); |
| 1118 | } |
| 1119 | |
| 1120 | /* See the comment on ada_val_print. This function differs in that it |
| 1121 | does not catch evaluation errors (leaving that to ada_val_print). */ |
| 1122 | |
| 1123 | static void |
| 1124 | ada_val_print_1 (struct type *type, |
| 1125 | int offset, CORE_ADDR address, |
| 1126 | struct ui_file *stream, int recurse, |
| 1127 | struct value *original_value, |
| 1128 | const struct value_print_options *options) |
| 1129 | { |
| 1130 | int offset_aligned; |
| 1131 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
| 1132 | |
| 1133 | type = ada_check_typedef (type); |
| 1134 | |
| 1135 | if (ada_is_array_descriptor_type (type) |
| 1136 | || (ada_is_constrained_packed_array_type (type) |
| 1137 | && TYPE_CODE (type) != TYPE_CODE_PTR)) |
| 1138 | { |
| 1139 | ada_val_print_gnat_array (type, valaddr, offset, address, |
| 1140 | stream, recurse, original_value, |
| 1141 | options); |
| 1142 | return; |
| 1143 | } |
| 1144 | |
| 1145 | offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr; |
| 1146 | type = printable_val_type (type, valaddr + offset_aligned); |
| 1147 | type = resolve_dynamic_type (type, valaddr + offset_aligned, |
| 1148 | address + offset_aligned); |
| 1149 | |
| 1150 | switch (TYPE_CODE (type)) |
| 1151 | { |
| 1152 | default: |
| 1153 | val_print (type, offset, address, stream, recurse, |
| 1154 | original_value, options, language_def (language_c)); |
| 1155 | break; |
| 1156 | |
| 1157 | case TYPE_CODE_PTR: |
| 1158 | ada_val_print_ptr (type, valaddr, offset, offset_aligned, |
| 1159 | address, stream, recurse, original_value, |
| 1160 | options); |
| 1161 | break; |
| 1162 | |
| 1163 | case TYPE_CODE_INT: |
| 1164 | case TYPE_CODE_RANGE: |
| 1165 | ada_val_print_num (type, valaddr, offset, offset_aligned, |
| 1166 | address, stream, recurse, original_value, |
| 1167 | options); |
| 1168 | break; |
| 1169 | |
| 1170 | case TYPE_CODE_ENUM: |
| 1171 | ada_val_print_enum (type, valaddr, offset, offset_aligned, |
| 1172 | address, stream, recurse, original_value, |
| 1173 | options); |
| 1174 | break; |
| 1175 | |
| 1176 | case TYPE_CODE_FLT: |
| 1177 | ada_val_print_flt (type, valaddr, offset, offset_aligned, |
| 1178 | address, stream, recurse, original_value, |
| 1179 | options); |
| 1180 | break; |
| 1181 | |
| 1182 | case TYPE_CODE_UNION: |
| 1183 | case TYPE_CODE_STRUCT: |
| 1184 | ada_val_print_struct_union (type, valaddr, offset, offset_aligned, |
| 1185 | address, stream, recurse, |
| 1186 | original_value, options); |
| 1187 | break; |
| 1188 | |
| 1189 | case TYPE_CODE_ARRAY: |
| 1190 | ada_val_print_array (type, valaddr, offset, offset_aligned, |
| 1191 | address, stream, recurse, original_value, |
| 1192 | options); |
| 1193 | return; |
| 1194 | |
| 1195 | case TYPE_CODE_REF: |
| 1196 | ada_val_print_ref (type, valaddr, offset, offset_aligned, |
| 1197 | address, stream, recurse, original_value, |
| 1198 | options); |
| 1199 | break; |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | /* See val_print for a description of the various parameters of this |
| 1204 | function; they are identical. */ |
| 1205 | |
| 1206 | void |
| 1207 | ada_val_print (struct type *type, |
| 1208 | int embedded_offset, CORE_ADDR address, |
| 1209 | struct ui_file *stream, int recurse, |
| 1210 | struct value *val, |
| 1211 | const struct value_print_options *options) |
| 1212 | { |
| 1213 | try |
| 1214 | { |
| 1215 | ada_val_print_1 (type, embedded_offset, address, |
| 1216 | stream, recurse, val, options); |
| 1217 | } |
| 1218 | catch (const gdb_exception_error &except) |
| 1219 | { |
| 1220 | fprintf_styled (stream, metadata_style.style (), |
| 1221 | _("<error reading variable: %s>"), |
| 1222 | except.what ()); |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | void |
| 1227 | ada_value_print (struct value *val0, struct ui_file *stream, |
| 1228 | const struct value_print_options *options) |
| 1229 | { |
| 1230 | struct value *val = ada_to_fixed_value (val0); |
| 1231 | CORE_ADDR address = value_address (val); |
| 1232 | struct type *type = ada_check_typedef (value_type (val)); |
| 1233 | struct value_print_options opts; |
| 1234 | |
| 1235 | /* If it is a pointer, indicate what it points to. */ |
| 1236 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
| 1237 | { |
| 1238 | /* Hack: don't print (char *) for char strings. Their |
| 1239 | type is indicated by the quoted string anyway. */ |
| 1240 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char) |
| 1241 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT |
| 1242 | || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) |
| 1243 | { |
| 1244 | fprintf_filtered (stream, "("); |
| 1245 | type_print (type, "", stream, -1); |
| 1246 | fprintf_filtered (stream, ") "); |
| 1247 | } |
| 1248 | } |
| 1249 | else if (ada_is_array_descriptor_type (type)) |
| 1250 | { |
| 1251 | /* We do not print the type description unless TYPE is an array |
| 1252 | access type (this is encoded by the compiler as a typedef to |
| 1253 | a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */ |
| 1254 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) |
| 1255 | { |
| 1256 | fprintf_filtered (stream, "("); |
| 1257 | type_print (type, "", stream, -1); |
| 1258 | fprintf_filtered (stream, ") "); |
| 1259 | } |
| 1260 | } |
| 1261 | else if (ada_is_bogus_array_descriptor (type)) |
| 1262 | { |
| 1263 | fprintf_filtered (stream, "("); |
| 1264 | type_print (type, "", stream, -1); |
| 1265 | fprintf_filtered (stream, ") (...?)"); |
| 1266 | return; |
| 1267 | } |
| 1268 | |
| 1269 | opts = *options; |
| 1270 | opts.deref_ref = 1; |
| 1271 | val_print (type, |
| 1272 | value_embedded_offset (val), address, |
| 1273 | stream, 0, val, &opts, current_language); |
| 1274 | } |