| 1 | /* Support for printing Modula 2 types for GDB, the GNU debugger. |
| 2 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include "defs.h" |
| 20 | #include "gdb_obstack.h" |
| 21 | #include "bfd.h" /* Binary File Description */ |
| 22 | #include "symtab.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "expression.h" |
| 25 | #include "value.h" |
| 26 | #include "gdbcore.h" |
| 27 | #include "m2-lang.h" |
| 28 | #include "target.h" |
| 29 | #include "language.h" |
| 30 | #include "demangle.h" |
| 31 | #include "c-lang.h" |
| 32 | #include "typeprint.h" |
| 33 | #include "cp-abi.h" |
| 34 | #include "cli/cli-style.h" |
| 35 | |
| 36 | static void m2_print_bounds (struct type *type, |
| 37 | struct ui_file *stream, int show, int level, |
| 38 | int print_high); |
| 39 | |
| 40 | static void m2_typedef (struct type *, struct ui_file *, int, int, |
| 41 | const struct type_print_options *); |
| 42 | static void m2_array (struct type *, struct ui_file *, int, int, |
| 43 | const struct type_print_options *); |
| 44 | static void m2_pointer (struct type *, struct ui_file *, int, int, |
| 45 | const struct type_print_options *); |
| 46 | static void m2_ref (struct type *, struct ui_file *, int, int, |
| 47 | const struct type_print_options *); |
| 48 | static void m2_procedure (struct type *, struct ui_file *, int, int, |
| 49 | const struct type_print_options *); |
| 50 | static void m2_union (struct type *, struct ui_file *); |
| 51 | static void m2_enum (struct type *, struct ui_file *, int, int); |
| 52 | static void m2_range (struct type *, struct ui_file *, int, int, |
| 53 | const struct type_print_options *); |
| 54 | static void m2_type_name (struct type *type, struct ui_file *stream); |
| 55 | static void m2_short_set (struct type *type, struct ui_file *stream, |
| 56 | int show, int level); |
| 57 | static int m2_long_set (struct type *type, struct ui_file *stream, |
| 58 | int show, int level, const struct type_print_options *flags); |
| 59 | static int m2_unbounded_array (struct type *type, struct ui_file *stream, |
| 60 | int show, int level, |
| 61 | const struct type_print_options *flags); |
| 62 | static void m2_record_fields (struct type *type, struct ui_file *stream, |
| 63 | int show, int level, const struct type_print_options *flags); |
| 64 | static void m2_unknown (const char *s, struct type *type, |
| 65 | struct ui_file *stream, int show, int level); |
| 66 | |
| 67 | int m2_is_long_set (struct type *type); |
| 68 | int m2_is_long_set_of_type (struct type *type, struct type **of_type); |
| 69 | int m2_is_unbounded_array (struct type *type); |
| 70 | |
| 71 | |
| 72 | void |
| 73 | m2_print_type (struct type *type, const char *varstring, |
| 74 | struct ui_file *stream, |
| 75 | int show, int level, |
| 76 | const struct type_print_options *flags) |
| 77 | { |
| 78 | type = check_typedef (type); |
| 79 | |
| 80 | QUIT; |
| 81 | |
| 82 | wrap_here (" "); |
| 83 | if (type == NULL) |
| 84 | { |
| 85 | fputs_styled (_("<type unknown>"), metadata_style.style (), stream); |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | switch (TYPE_CODE (type)) |
| 90 | { |
| 91 | case TYPE_CODE_SET: |
| 92 | m2_short_set(type, stream, show, level); |
| 93 | break; |
| 94 | |
| 95 | case TYPE_CODE_STRUCT: |
| 96 | if (m2_long_set (type, stream, show, level, flags) |
| 97 | || m2_unbounded_array (type, stream, show, level, flags)) |
| 98 | break; |
| 99 | m2_record_fields (type, stream, show, level, flags); |
| 100 | break; |
| 101 | |
| 102 | case TYPE_CODE_TYPEDEF: |
| 103 | m2_typedef (type, stream, show, level, flags); |
| 104 | break; |
| 105 | |
| 106 | case TYPE_CODE_ARRAY: |
| 107 | m2_array (type, stream, show, level, flags); |
| 108 | break; |
| 109 | |
| 110 | case TYPE_CODE_PTR: |
| 111 | m2_pointer (type, stream, show, level, flags); |
| 112 | break; |
| 113 | |
| 114 | case TYPE_CODE_REF: |
| 115 | m2_ref (type, stream, show, level, flags); |
| 116 | break; |
| 117 | |
| 118 | case TYPE_CODE_METHOD: |
| 119 | m2_unknown (_("method"), type, stream, show, level); |
| 120 | break; |
| 121 | |
| 122 | case TYPE_CODE_FUNC: |
| 123 | m2_procedure (type, stream, show, level, flags); |
| 124 | break; |
| 125 | |
| 126 | case TYPE_CODE_UNION: |
| 127 | m2_union (type, stream); |
| 128 | break; |
| 129 | |
| 130 | case TYPE_CODE_ENUM: |
| 131 | m2_enum (type, stream, show, level); |
| 132 | break; |
| 133 | |
| 134 | case TYPE_CODE_VOID: |
| 135 | break; |
| 136 | |
| 137 | case TYPE_CODE_UNDEF: |
| 138 | /* i18n: Do not translate the "struct" part! */ |
| 139 | m2_unknown (_("undef"), type, stream, show, level); |
| 140 | break; |
| 141 | |
| 142 | case TYPE_CODE_ERROR: |
| 143 | m2_unknown (_("error"), type, stream, show, level); |
| 144 | break; |
| 145 | |
| 146 | case TYPE_CODE_RANGE: |
| 147 | m2_range (type, stream, show, level, flags); |
| 148 | break; |
| 149 | |
| 150 | default: |
| 151 | m2_type_name (type, stream); |
| 152 | break; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | /* Print a typedef using M2 syntax. TYPE is the underlying type. |
| 157 | NEW_SYMBOL is the symbol naming the type. STREAM is the stream on |
| 158 | which to print. */ |
| 159 | |
| 160 | void |
| 161 | m2_print_typedef (struct type *type, struct symbol *new_symbol, |
| 162 | struct ui_file *stream) |
| 163 | { |
| 164 | type = check_typedef (type); |
| 165 | fprintf_filtered (stream, "TYPE "); |
| 166 | if (!TYPE_NAME (SYMBOL_TYPE (new_symbol)) |
| 167 | || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))), |
| 168 | SYMBOL_LINKAGE_NAME (new_symbol)) != 0) |
| 169 | fprintf_filtered (stream, "%s = ", SYMBOL_PRINT_NAME (new_symbol)); |
| 170 | else |
| 171 | fprintf_filtered (stream, "<builtin> = "); |
| 172 | type_print (type, "", stream, 0); |
| 173 | fprintf_filtered (stream, ";\n"); |
| 174 | } |
| 175 | |
| 176 | /* m2_type_name - if a, type, has a name then print it. */ |
| 177 | |
| 178 | void |
| 179 | m2_type_name (struct type *type, struct ui_file *stream) |
| 180 | { |
| 181 | if (TYPE_NAME (type) != NULL) |
| 182 | fputs_filtered (TYPE_NAME (type), stream); |
| 183 | } |
| 184 | |
| 185 | /* m2_range - displays a Modula-2 subrange type. */ |
| 186 | |
| 187 | void |
| 188 | m2_range (struct type *type, struct ui_file *stream, int show, |
| 189 | int level, const struct type_print_options *flags) |
| 190 | { |
| 191 | if (TYPE_HIGH_BOUND (type) == TYPE_LOW_BOUND (type)) |
| 192 | { |
| 193 | /* FIXME: TYPE_TARGET_TYPE used to be TYPE_DOMAIN_TYPE but that was |
| 194 | wrong. Not sure if TYPE_TARGET_TYPE is correct though. */ |
| 195 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, |
| 196 | flags); |
| 197 | } |
| 198 | else |
| 199 | { |
| 200 | struct type *target = TYPE_TARGET_TYPE (type); |
| 201 | |
| 202 | fprintf_filtered (stream, "["); |
| 203 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); |
| 204 | fprintf_filtered (stream, ".."); |
| 205 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); |
| 206 | fprintf_filtered (stream, "]"); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static void |
| 211 | m2_typedef (struct type *type, struct ui_file *stream, int show, |
| 212 | int level, const struct type_print_options *flags) |
| 213 | { |
| 214 | if (TYPE_NAME (type) != NULL) |
| 215 | { |
| 216 | fputs_filtered (TYPE_NAME (type), stream); |
| 217 | fputs_filtered (" = ", stream); |
| 218 | } |
| 219 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, flags); |
| 220 | } |
| 221 | |
| 222 | /* m2_array - prints out a Modula-2 ARRAY ... OF type. */ |
| 223 | |
| 224 | static void m2_array (struct type *type, struct ui_file *stream, |
| 225 | int show, int level, const struct type_print_options *flags) |
| 226 | { |
| 227 | fprintf_filtered (stream, "ARRAY ["); |
| 228 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
| 229 | && !TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
| 230 | { |
| 231 | if (TYPE_INDEX_TYPE (type) != 0) |
| 232 | { |
| 233 | m2_print_bounds (TYPE_INDEX_TYPE (type), stream, show, -1, 0); |
| 234 | fprintf_filtered (stream, ".."); |
| 235 | m2_print_bounds (TYPE_INDEX_TYPE (type), stream, show, -1, 1); |
| 236 | } |
| 237 | else |
| 238 | fputs_filtered (pulongest ((TYPE_LENGTH (type) |
| 239 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))), |
| 240 | stream); |
| 241 | } |
| 242 | fprintf_filtered (stream, "] OF "); |
| 243 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, flags); |
| 244 | } |
| 245 | |
| 246 | static void |
| 247 | m2_pointer (struct type *type, struct ui_file *stream, int show, |
| 248 | int level, const struct type_print_options *flags) |
| 249 | { |
| 250 | if (TYPE_CONST (type)) |
| 251 | fprintf_filtered (stream, "[...] : "); |
| 252 | else |
| 253 | fprintf_filtered (stream, "POINTER TO "); |
| 254 | |
| 255 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, flags); |
| 256 | } |
| 257 | |
| 258 | static void |
| 259 | m2_ref (struct type *type, struct ui_file *stream, int show, |
| 260 | int level, const struct type_print_options *flags) |
| 261 | { |
| 262 | fprintf_filtered (stream, "VAR"); |
| 263 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, flags); |
| 264 | } |
| 265 | |
| 266 | static void |
| 267 | m2_unknown (const char *s, struct type *type, struct ui_file *stream, |
| 268 | int show, int level) |
| 269 | { |
| 270 | fprintf_filtered (stream, "%s %s", s, _("is unknown")); |
| 271 | } |
| 272 | |
| 273 | static void m2_union (struct type *type, struct ui_file *stream) |
| 274 | { |
| 275 | fprintf_filtered (stream, "union"); |
| 276 | } |
| 277 | |
| 278 | static void |
| 279 | m2_procedure (struct type *type, struct ui_file *stream, |
| 280 | int show, int level, const struct type_print_options *flags) |
| 281 | { |
| 282 | fprintf_filtered (stream, "PROCEDURE "); |
| 283 | m2_type_name (type, stream); |
| 284 | if (TYPE_TARGET_TYPE (type) == NULL |
| 285 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 286 | { |
| 287 | int i, len = TYPE_NFIELDS (type); |
| 288 | |
| 289 | fprintf_filtered (stream, " ("); |
| 290 | for (i = 0; i < len; i++) |
| 291 | { |
| 292 | if (i > 0) |
| 293 | { |
| 294 | fputs_filtered (", ", stream); |
| 295 | wrap_here (" "); |
| 296 | } |
| 297 | m2_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, flags); |
| 298 | } |
| 299 | fprintf_filtered (stream, ") : "); |
| 300 | if (TYPE_TARGET_TYPE (type) != NULL) |
| 301 | m2_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0, flags); |
| 302 | else |
| 303 | type_print_unknown_return_type (stream); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static void |
| 308 | m2_print_bounds (struct type *type, |
| 309 | struct ui_file *stream, int show, int level, |
| 310 | int print_high) |
| 311 | { |
| 312 | struct type *target = TYPE_TARGET_TYPE (type); |
| 313 | |
| 314 | if (TYPE_NFIELDS(type) == 0) |
| 315 | return; |
| 316 | |
| 317 | if (print_high) |
| 318 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); |
| 319 | else |
| 320 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); |
| 321 | } |
| 322 | |
| 323 | static void |
| 324 | m2_short_set (struct type *type, struct ui_file *stream, int show, int level) |
| 325 | { |
| 326 | fprintf_filtered(stream, "SET ["); |
| 327 | m2_print_bounds (TYPE_INDEX_TYPE (type), stream, |
| 328 | show - 1, level, 0); |
| 329 | |
| 330 | fprintf_filtered(stream, ".."); |
| 331 | m2_print_bounds (TYPE_INDEX_TYPE (type), stream, |
| 332 | show - 1, level, 1); |
| 333 | fprintf_filtered(stream, "]"); |
| 334 | } |
| 335 | |
| 336 | int |
| 337 | m2_is_long_set (struct type *type) |
| 338 | { |
| 339 | LONGEST previous_high = 0; /* Unnecessary initialization |
| 340 | keeps gcc -Wall happy. */ |
| 341 | int len, i; |
| 342 | struct type *range; |
| 343 | |
| 344 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 345 | { |
| 346 | |
| 347 | /* check if all fields of the RECORD are consecutive sets. */ |
| 348 | |
| 349 | len = TYPE_NFIELDS (type); |
| 350 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 351 | { |
| 352 | if (TYPE_FIELD_TYPE (type, i) == NULL) |
| 353 | return 0; |
| 354 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) != TYPE_CODE_SET) |
| 355 | return 0; |
| 356 | if (TYPE_FIELD_NAME (type, i) != NULL |
| 357 | && (strcmp (TYPE_FIELD_NAME (type, i), "") != 0)) |
| 358 | return 0; |
| 359 | range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)); |
| 360 | if ((i > TYPE_N_BASECLASSES (type)) |
| 361 | && previous_high + 1 != TYPE_LOW_BOUND (range)) |
| 362 | return 0; |
| 363 | previous_high = TYPE_HIGH_BOUND (range); |
| 364 | } |
| 365 | return len>0; |
| 366 | } |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | /* m2_get_discrete_bounds - a wrapper for get_discrete_bounds which |
| 371 | understands that CHARs might be signed. |
| 372 | This should be integrated into gdbtypes.c |
| 373 | inside get_discrete_bounds. */ |
| 374 | |
| 375 | static int |
| 376 | m2_get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) |
| 377 | { |
| 378 | type = check_typedef (type); |
| 379 | switch (TYPE_CODE (type)) |
| 380 | { |
| 381 | case TYPE_CODE_CHAR: |
| 382 | if (TYPE_LENGTH (type) < sizeof (LONGEST)) |
| 383 | { |
| 384 | if (!TYPE_UNSIGNED (type)) |
| 385 | { |
| 386 | *lowp = -(1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1)); |
| 387 | *highp = -*lowp - 1; |
| 388 | return 0; |
| 389 | } |
| 390 | } |
| 391 | /* fall through */ |
| 392 | default: |
| 393 | return get_discrete_bounds (type, lowp, highp); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | /* m2_is_long_set_of_type - returns TRUE if the long set was declared as |
| 398 | SET OF <oftype> of_type is assigned to the |
| 399 | subtype. */ |
| 400 | |
| 401 | int |
| 402 | m2_is_long_set_of_type (struct type *type, struct type **of_type) |
| 403 | { |
| 404 | int len, i; |
| 405 | struct type *range; |
| 406 | struct type *target; |
| 407 | LONGEST l1, l2; |
| 408 | LONGEST h1, h2; |
| 409 | |
| 410 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 411 | { |
| 412 | len = TYPE_NFIELDS (type); |
| 413 | i = TYPE_N_BASECLASSES (type); |
| 414 | if (len == 0) |
| 415 | return 0; |
| 416 | range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)); |
| 417 | target = TYPE_TARGET_TYPE (range); |
| 418 | |
| 419 | l1 = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i))); |
| 420 | h1 = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, len-1))); |
| 421 | *of_type = target; |
| 422 | if (m2_get_discrete_bounds (target, &l2, &h2) >= 0) |
| 423 | return (l1 == l2 && h1 == h2); |
| 424 | error (_("long_set failed to find discrete bounds for its subtype")); |
| 425 | return 0; |
| 426 | } |
| 427 | error (_("expecting long_set")); |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | static int |
| 432 | m2_long_set (struct type *type, struct ui_file *stream, int show, int level, |
| 433 | const struct type_print_options *flags) |
| 434 | { |
| 435 | struct type *of_type; |
| 436 | int i; |
| 437 | int len = TYPE_NFIELDS (type); |
| 438 | LONGEST low; |
| 439 | LONGEST high; |
| 440 | |
| 441 | if (m2_is_long_set (type)) |
| 442 | { |
| 443 | if (TYPE_NAME (type) != NULL) |
| 444 | { |
| 445 | fputs_filtered (TYPE_NAME (type), stream); |
| 446 | if (show == 0) |
| 447 | return 1; |
| 448 | fputs_filtered (" = ", stream); |
| 449 | } |
| 450 | |
| 451 | if (get_long_set_bounds (type, &low, &high)) |
| 452 | { |
| 453 | fprintf_filtered(stream, "SET OF "); |
| 454 | i = TYPE_N_BASECLASSES (type); |
| 455 | if (m2_is_long_set_of_type (type, &of_type)) |
| 456 | m2_print_type (of_type, "", stream, show - 1, level, flags); |
| 457 | else |
| 458 | { |
| 459 | fprintf_filtered(stream, "["); |
| 460 | m2_print_bounds (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)), |
| 461 | stream, show - 1, level, 0); |
| 462 | |
| 463 | fprintf_filtered(stream, ".."); |
| 464 | |
| 465 | m2_print_bounds (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, len-1)), |
| 466 | stream, show - 1, level, 1); |
| 467 | fprintf_filtered(stream, "]"); |
| 468 | } |
| 469 | } |
| 470 | else |
| 471 | /* i18n: Do not translate the "SET OF" part! */ |
| 472 | fprintf_filtered(stream, _("SET OF <unknown>")); |
| 473 | |
| 474 | return 1; |
| 475 | } |
| 476 | return 0; |
| 477 | } |
| 478 | |
| 479 | /* m2_is_unbounded_array - returns TRUE if, type, should be regarded |
| 480 | as a Modula-2 unbounded ARRAY type. */ |
| 481 | |
| 482 | int |
| 483 | m2_is_unbounded_array (struct type *type) |
| 484 | { |
| 485 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 486 | { |
| 487 | /* |
| 488 | * check if we have a structure with exactly two fields named |
| 489 | * _m2_contents and _m2_high. It also checks to see if the |
| 490 | * type of _m2_contents is a pointer. The TYPE_TARGET_TYPE |
| 491 | * of the pointer determines the unbounded ARRAY OF type. |
| 492 | */ |
| 493 | if (TYPE_NFIELDS (type) != 2) |
| 494 | return 0; |
| 495 | if (strcmp (TYPE_FIELD_NAME (type, 0), "_m2_contents") != 0) |
| 496 | return 0; |
| 497 | if (strcmp (TYPE_FIELD_NAME (type, 1), "_m2_high") != 0) |
| 498 | return 0; |
| 499 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) != TYPE_CODE_PTR) |
| 500 | return 0; |
| 501 | return 1; |
| 502 | } |
| 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | /* m2_unbounded_array - if the struct type matches a Modula-2 unbounded |
| 507 | parameter type then display the type as an |
| 508 | ARRAY OF type. Returns TRUE if an unbounded |
| 509 | array type was detected. */ |
| 510 | |
| 511 | static int |
| 512 | m2_unbounded_array (struct type *type, struct ui_file *stream, int show, |
| 513 | int level, const struct type_print_options *flags) |
| 514 | { |
| 515 | if (m2_is_unbounded_array (type)) |
| 516 | { |
| 517 | if (show > 0) |
| 518 | { |
| 519 | fputs_filtered ("ARRAY OF ", stream); |
| 520 | m2_print_type (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)), |
| 521 | "", stream, 0, level, flags); |
| 522 | } |
| 523 | return 1; |
| 524 | } |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | void |
| 529 | m2_record_fields (struct type *type, struct ui_file *stream, int show, |
| 530 | int level, const struct type_print_options *flags) |
| 531 | { |
| 532 | /* Print the tag if it exists. */ |
| 533 | if (TYPE_NAME (type) != NULL) |
| 534 | { |
| 535 | if (!startswith (TYPE_NAME (type), "$$")) |
| 536 | { |
| 537 | fputs_filtered (TYPE_NAME (type), stream); |
| 538 | if (show > 0) |
| 539 | fprintf_filtered (stream, " = "); |
| 540 | } |
| 541 | } |
| 542 | wrap_here (" "); |
| 543 | if (show < 0) |
| 544 | { |
| 545 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 546 | fprintf_filtered (stream, "RECORD ... END "); |
| 547 | else if (TYPE_CODE (type) == TYPE_CODE_UNION) |
| 548 | fprintf_filtered (stream, "CASE ... END "); |
| 549 | } |
| 550 | else if (show > 0) |
| 551 | { |
| 552 | int i; |
| 553 | int len = TYPE_NFIELDS (type); |
| 554 | |
| 555 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 556 | fprintf_filtered (stream, "RECORD\n"); |
| 557 | else if (TYPE_CODE (type) == TYPE_CODE_UNION) |
| 558 | /* i18n: Do not translate "CASE" and "OF". */ |
| 559 | fprintf_filtered (stream, _("CASE <variant> OF\n")); |
| 560 | |
| 561 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 562 | { |
| 563 | QUIT; |
| 564 | |
| 565 | print_spaces_filtered (level + 4, stream); |
| 566 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 567 | fputs_filtered (" : ", stream); |
| 568 | m2_print_type (TYPE_FIELD_TYPE (type, i), |
| 569 | "", |
| 570 | stream, 0, level + 4, flags); |
| 571 | if (TYPE_FIELD_PACKED (type, i)) |
| 572 | { |
| 573 | /* It is a bitfield. This code does not attempt |
| 574 | to look at the bitpos and reconstruct filler, |
| 575 | unnamed fields. This would lead to misleading |
| 576 | results if the compiler does not put out fields |
| 577 | for such things (I don't know what it does). */ |
| 578 | fprintf_filtered (stream, " : %d", |
| 579 | TYPE_FIELD_BITSIZE (type, i)); |
| 580 | } |
| 581 | fprintf_filtered (stream, ";\n"); |
| 582 | } |
| 583 | |
| 584 | fprintfi_filtered (level, stream, "END "); |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | void |
| 589 | m2_enum (struct type *type, struct ui_file *stream, int show, int level) |
| 590 | { |
| 591 | LONGEST lastval; |
| 592 | int i, len; |
| 593 | |
| 594 | if (show < 0) |
| 595 | { |
| 596 | /* If we just printed a tag name, no need to print anything else. */ |
| 597 | if (TYPE_NAME (type) == NULL) |
| 598 | fprintf_filtered (stream, "(...)"); |
| 599 | } |
| 600 | else if (show > 0 || TYPE_NAME (type) == NULL) |
| 601 | { |
| 602 | fprintf_filtered (stream, "("); |
| 603 | len = TYPE_NFIELDS (type); |
| 604 | lastval = 0; |
| 605 | for (i = 0; i < len; i++) |
| 606 | { |
| 607 | QUIT; |
| 608 | if (i > 0) |
| 609 | fprintf_filtered (stream, ", "); |
| 610 | wrap_here (" "); |
| 611 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 612 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
| 613 | { |
| 614 | fprintf_filtered (stream, " = %s", |
| 615 | plongest (TYPE_FIELD_ENUMVAL (type, i))); |
| 616 | lastval = TYPE_FIELD_ENUMVAL (type, i); |
| 617 | } |
| 618 | lastval++; |
| 619 | } |
| 620 | fprintf_filtered (stream, ")"); |
| 621 | } |
| 622 | } |