| 1 | /* Support for printing Pascal types for GDB, the GNU debugger. |
| 2 | Copyright (C) 2000-2020 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 | /* This file is derived from p-typeprint.c */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "gdb_obstack.h" |
| 23 | #include "bfd.h" /* Binary File Description */ |
| 24 | #include "symtab.h" |
| 25 | #include "gdbtypes.h" |
| 26 | #include "expression.h" |
| 27 | #include "value.h" |
| 28 | #include "gdbcore.h" |
| 29 | #include "target.h" |
| 30 | #include "language.h" |
| 31 | #include "p-lang.h" |
| 32 | #include "typeprint.h" |
| 33 | #include "gdb-demangle.h" |
| 34 | #include <ctype.h> |
| 35 | #include "cli/cli-style.h" |
| 36 | |
| 37 | static void pascal_type_print_varspec_suffix (struct type *, struct ui_file *, |
| 38 | int, int, int, |
| 39 | const struct type_print_options *); |
| 40 | |
| 41 | static void pascal_type_print_derivation_info (struct ui_file *, |
| 42 | struct type *); |
| 43 | |
| 44 | \f |
| 45 | |
| 46 | /* LEVEL is the depth to indent lines by. */ |
| 47 | |
| 48 | void |
| 49 | pascal_print_type (struct type *type, const char *varstring, |
| 50 | struct ui_file *stream, int show, int level, |
| 51 | const struct type_print_options *flags) |
| 52 | { |
| 53 | enum type_code code; |
| 54 | int demangled_args; |
| 55 | |
| 56 | code = TYPE_CODE (type); |
| 57 | |
| 58 | if (show > 0) |
| 59 | type = check_typedef (type); |
| 60 | |
| 61 | if ((code == TYPE_CODE_FUNC |
| 62 | || code == TYPE_CODE_METHOD)) |
| 63 | { |
| 64 | pascal_type_print_varspec_prefix (type, stream, show, 0, flags); |
| 65 | } |
| 66 | /* first the name */ |
| 67 | fputs_filtered (varstring, stream); |
| 68 | |
| 69 | if ((varstring != NULL && *varstring != '\0') |
| 70 | && !(code == TYPE_CODE_FUNC |
| 71 | || code == TYPE_CODE_METHOD)) |
| 72 | { |
| 73 | fputs_filtered (" : ", stream); |
| 74 | } |
| 75 | |
| 76 | if (!(code == TYPE_CODE_FUNC |
| 77 | || code == TYPE_CODE_METHOD)) |
| 78 | { |
| 79 | pascal_type_print_varspec_prefix (type, stream, show, 0, flags); |
| 80 | } |
| 81 | |
| 82 | pascal_type_print_base (type, stream, show, level, flags); |
| 83 | /* For demangled function names, we have the arglist as part of the name, |
| 84 | so don't print an additional pair of ()'s. */ |
| 85 | |
| 86 | demangled_args = varstring ? strchr (varstring, '(') != NULL : 0; |
| 87 | pascal_type_print_varspec_suffix (type, stream, show, 0, demangled_args, |
| 88 | flags); |
| 89 | |
| 90 | } |
| 91 | |
| 92 | /* Print a typedef using Pascal syntax. TYPE is the underlying type. |
| 93 | NEW_SYMBOL is the symbol naming the type. STREAM is the stream on |
| 94 | which to print. */ |
| 95 | |
| 96 | void |
| 97 | pascal_print_typedef (struct type *type, struct symbol *new_symbol, |
| 98 | struct ui_file *stream) |
| 99 | { |
| 100 | type = check_typedef (type); |
| 101 | fprintf_filtered (stream, "type "); |
| 102 | fprintf_filtered (stream, "%s = ", new_symbol->print_name ()); |
| 103 | type_print (type, "", stream, 0); |
| 104 | fprintf_filtered (stream, ";"); |
| 105 | } |
| 106 | |
| 107 | /* If TYPE is a derived type, then print out derivation information. |
| 108 | Print only the actual base classes of this type, not the base classes |
| 109 | of the base classes. I.e. for the derivation hierarchy: |
| 110 | |
| 111 | class A { int a; }; |
| 112 | class B : public A {int b; }; |
| 113 | class C : public B {int c; }; |
| 114 | |
| 115 | Print the type of class C as: |
| 116 | |
| 117 | class C : public B { |
| 118 | int c; |
| 119 | } |
| 120 | |
| 121 | Not as the following (like gdb used to), which is not legal C++ syntax for |
| 122 | derived types and may be confused with the multiple inheritance form: |
| 123 | |
| 124 | class C : public B : public A { |
| 125 | int c; |
| 126 | } |
| 127 | |
| 128 | In general, gdb should try to print the types as closely as possible to |
| 129 | the form that they appear in the source code. */ |
| 130 | |
| 131 | static void |
| 132 | pascal_type_print_derivation_info (struct ui_file *stream, struct type *type) |
| 133 | { |
| 134 | const char *name; |
| 135 | int i; |
| 136 | |
| 137 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| 138 | { |
| 139 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
| 140 | fprintf_filtered (stream, "%s%s ", |
| 141 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", |
| 142 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
| 143 | name = TYPE_NAME (TYPE_BASECLASS (type, i)); |
| 144 | fprintf_filtered (stream, "%s", name ? name : "(null)"); |
| 145 | } |
| 146 | if (i > 0) |
| 147 | { |
| 148 | fputs_filtered (" ", stream); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /* Print the Pascal method arguments ARGS to the file STREAM. */ |
| 153 | |
| 154 | void |
| 155 | pascal_type_print_method_args (const char *physname, const char *methodname, |
| 156 | struct ui_file *stream) |
| 157 | { |
| 158 | int is_constructor = (startswith (physname, "__ct__")); |
| 159 | int is_destructor = (startswith (physname, "__dt__")); |
| 160 | |
| 161 | if (is_constructor || is_destructor) |
| 162 | { |
| 163 | physname += 6; |
| 164 | } |
| 165 | |
| 166 | fputs_filtered (methodname, stream); |
| 167 | |
| 168 | if (physname && (*physname != 0)) |
| 169 | { |
| 170 | fputs_filtered (" (", stream); |
| 171 | /* We must demangle this. */ |
| 172 | while (isdigit (physname[0])) |
| 173 | { |
| 174 | int len = 0; |
| 175 | int i, j; |
| 176 | char *argname; |
| 177 | |
| 178 | while (isdigit (physname[len])) |
| 179 | { |
| 180 | len++; |
| 181 | } |
| 182 | i = strtol (physname, &argname, 0); |
| 183 | physname += len; |
| 184 | |
| 185 | for (j = 0; j < i; ++j) |
| 186 | fputc_filtered (physname[j], stream); |
| 187 | |
| 188 | physname += i; |
| 189 | if (physname[0] != 0) |
| 190 | { |
| 191 | fputs_filtered (", ", stream); |
| 192 | } |
| 193 | } |
| 194 | fputs_filtered (")", stream); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /* Print any asterisks or open-parentheses needed before the |
| 199 | variable name (to describe its type). |
| 200 | |
| 201 | On outermost call, pass 0 for PASSED_A_PTR. |
| 202 | On outermost call, SHOW > 0 means should ignore |
| 203 | any typename for TYPE and show its details. |
| 204 | SHOW is always zero on recursive calls. */ |
| 205 | |
| 206 | void |
| 207 | pascal_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
| 208 | int show, int passed_a_ptr, |
| 209 | const struct type_print_options *flags) |
| 210 | { |
| 211 | if (type == 0) |
| 212 | return; |
| 213 | |
| 214 | if (TYPE_NAME (type) && show <= 0) |
| 215 | return; |
| 216 | |
| 217 | QUIT; |
| 218 | |
| 219 | switch (TYPE_CODE (type)) |
| 220 | { |
| 221 | case TYPE_CODE_PTR: |
| 222 | fprintf_filtered (stream, "^"); |
| 223 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1, |
| 224 | flags); |
| 225 | break; /* Pointer should be handled normally |
| 226 | in pascal. */ |
| 227 | |
| 228 | case TYPE_CODE_METHOD: |
| 229 | if (passed_a_ptr) |
| 230 | fprintf_filtered (stream, "("); |
| 231 | if (TYPE_TARGET_TYPE (type) != NULL |
| 232 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 233 | { |
| 234 | fprintf_filtered (stream, "function "); |
| 235 | } |
| 236 | else |
| 237 | { |
| 238 | fprintf_filtered (stream, "procedure "); |
| 239 | } |
| 240 | |
| 241 | if (passed_a_ptr) |
| 242 | { |
| 243 | fprintf_filtered (stream, " "); |
| 244 | pascal_type_print_base (TYPE_SELF_TYPE (type), |
| 245 | stream, 0, passed_a_ptr, flags); |
| 246 | fprintf_filtered (stream, "::"); |
| 247 | } |
| 248 | break; |
| 249 | |
| 250 | case TYPE_CODE_REF: |
| 251 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1, |
| 252 | flags); |
| 253 | fprintf_filtered (stream, "&"); |
| 254 | break; |
| 255 | |
| 256 | case TYPE_CODE_FUNC: |
| 257 | if (passed_a_ptr) |
| 258 | fprintf_filtered (stream, "("); |
| 259 | |
| 260 | if (TYPE_TARGET_TYPE (type) != NULL |
| 261 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 262 | { |
| 263 | fprintf_filtered (stream, "function "); |
| 264 | } |
| 265 | else |
| 266 | { |
| 267 | fprintf_filtered (stream, "procedure "); |
| 268 | } |
| 269 | |
| 270 | break; |
| 271 | |
| 272 | case TYPE_CODE_ARRAY: |
| 273 | if (passed_a_ptr) |
| 274 | fprintf_filtered (stream, "("); |
| 275 | fprintf_filtered (stream, "array "); |
| 276 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
| 277 | && !TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
| 278 | fprintf_filtered (stream, "[%s..%s] ", |
| 279 | plongest (TYPE_ARRAY_LOWER_BOUND_VALUE (type)), |
| 280 | plongest (TYPE_ARRAY_UPPER_BOUND_VALUE (type))); |
| 281 | fprintf_filtered (stream, "of "); |
| 282 | break; |
| 283 | |
| 284 | case TYPE_CODE_UNDEF: |
| 285 | case TYPE_CODE_STRUCT: |
| 286 | case TYPE_CODE_UNION: |
| 287 | case TYPE_CODE_ENUM: |
| 288 | case TYPE_CODE_INT: |
| 289 | case TYPE_CODE_FLT: |
| 290 | case TYPE_CODE_VOID: |
| 291 | case TYPE_CODE_ERROR: |
| 292 | case TYPE_CODE_CHAR: |
| 293 | case TYPE_CODE_BOOL: |
| 294 | case TYPE_CODE_SET: |
| 295 | case TYPE_CODE_RANGE: |
| 296 | case TYPE_CODE_STRING: |
| 297 | case TYPE_CODE_COMPLEX: |
| 298 | case TYPE_CODE_TYPEDEF: |
| 299 | /* These types need no prefix. They are listed here so that |
| 300 | gcc -Wall will reveal any types that haven't been handled. */ |
| 301 | break; |
| 302 | default: |
| 303 | error (_("type not handled in pascal_type_print_varspec_prefix()")); |
| 304 | break; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | static void |
| 309 | pascal_print_func_args (struct type *type, struct ui_file *stream, |
| 310 | const struct type_print_options *flags) |
| 311 | { |
| 312 | int i, len = TYPE_NFIELDS (type); |
| 313 | |
| 314 | if (len) |
| 315 | { |
| 316 | fprintf_filtered (stream, "("); |
| 317 | } |
| 318 | for (i = 0; i < len; i++) |
| 319 | { |
| 320 | if (i > 0) |
| 321 | { |
| 322 | fputs_filtered (", ", stream); |
| 323 | wrap_here (" "); |
| 324 | } |
| 325 | /* Can we find if it is a var parameter ?? |
| 326 | if ( TYPE_FIELD(type, i) == ) |
| 327 | { |
| 328 | fprintf_filtered (stream, "var "); |
| 329 | } */ |
| 330 | pascal_print_type (TYPE_FIELD_TYPE (type, i), "" /* TYPE_FIELD_NAME |
| 331 | seems invalid! */ |
| 332 | ,stream, -1, 0, flags); |
| 333 | } |
| 334 | if (len) |
| 335 | { |
| 336 | fprintf_filtered (stream, ")"); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | /* Helper for pascal_type_print_varspec_suffix to print the suffix of |
| 341 | a function or method. */ |
| 342 | |
| 343 | static void |
| 344 | pascal_type_print_func_varspec_suffix (struct type *type, struct ui_file *stream, |
| 345 | int show, int passed_a_ptr, |
| 346 | int demangled_args, |
| 347 | const struct type_print_options *flags) |
| 348 | { |
| 349 | if (TYPE_TARGET_TYPE (type) == NULL |
| 350 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 351 | { |
| 352 | fprintf_filtered (stream, " : "); |
| 353 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 354 | stream, 0, 0, flags); |
| 355 | |
| 356 | if (TYPE_TARGET_TYPE (type) == NULL) |
| 357 | type_print_unknown_return_type (stream); |
| 358 | else |
| 359 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0, |
| 360 | flags); |
| 361 | |
| 362 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 363 | passed_a_ptr, 0, flags); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | /* Print any array sizes, function arguments or close parentheses |
| 368 | needed after the variable name (to describe its type). |
| 369 | Args work like pascal_type_print_varspec_prefix. */ |
| 370 | |
| 371 | static void |
| 372 | pascal_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
| 373 | int show, int passed_a_ptr, |
| 374 | int demangled_args, |
| 375 | const struct type_print_options *flags) |
| 376 | { |
| 377 | if (type == 0) |
| 378 | return; |
| 379 | |
| 380 | if (TYPE_NAME (type) && show <= 0) |
| 381 | return; |
| 382 | |
| 383 | QUIT; |
| 384 | |
| 385 | switch (TYPE_CODE (type)) |
| 386 | { |
| 387 | case TYPE_CODE_ARRAY: |
| 388 | if (passed_a_ptr) |
| 389 | fprintf_filtered (stream, ")"); |
| 390 | break; |
| 391 | |
| 392 | case TYPE_CODE_METHOD: |
| 393 | if (passed_a_ptr) |
| 394 | fprintf_filtered (stream, ")"); |
| 395 | pascal_type_print_method_args ("", |
| 396 | "", |
| 397 | stream); |
| 398 | pascal_type_print_func_varspec_suffix (type, stream, show, |
| 399 | passed_a_ptr, 0, flags); |
| 400 | break; |
| 401 | |
| 402 | case TYPE_CODE_PTR: |
| 403 | case TYPE_CODE_REF: |
| 404 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), |
| 405 | stream, 0, 1, 0, flags); |
| 406 | break; |
| 407 | |
| 408 | case TYPE_CODE_FUNC: |
| 409 | if (passed_a_ptr) |
| 410 | fprintf_filtered (stream, ")"); |
| 411 | if (!demangled_args) |
| 412 | pascal_print_func_args (type, stream, flags); |
| 413 | pascal_type_print_func_varspec_suffix (type, stream, show, |
| 414 | passed_a_ptr, 0, flags); |
| 415 | break; |
| 416 | |
| 417 | case TYPE_CODE_UNDEF: |
| 418 | case TYPE_CODE_STRUCT: |
| 419 | case TYPE_CODE_UNION: |
| 420 | case TYPE_CODE_ENUM: |
| 421 | case TYPE_CODE_INT: |
| 422 | case TYPE_CODE_FLT: |
| 423 | case TYPE_CODE_VOID: |
| 424 | case TYPE_CODE_ERROR: |
| 425 | case TYPE_CODE_CHAR: |
| 426 | case TYPE_CODE_BOOL: |
| 427 | case TYPE_CODE_SET: |
| 428 | case TYPE_CODE_RANGE: |
| 429 | case TYPE_CODE_STRING: |
| 430 | case TYPE_CODE_COMPLEX: |
| 431 | case TYPE_CODE_TYPEDEF: |
| 432 | /* These types do not need a suffix. They are listed so that |
| 433 | gcc -Wall will report types that may not have been considered. */ |
| 434 | break; |
| 435 | default: |
| 436 | error (_("type not handled in pascal_type_print_varspec_suffix()")); |
| 437 | break; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | /* Print the name of the type (or the ultimate pointer target, |
| 442 | function value or array element), or the description of a |
| 443 | structure or union. |
| 444 | |
| 445 | SHOW positive means print details about the type (e.g. enum values), |
| 446 | and print structure elements passing SHOW - 1 for show. |
| 447 | SHOW negative means just print the type name or struct tag if there is one. |
| 448 | If there is no name, print something sensible but concise like |
| 449 | "struct {...}". |
| 450 | SHOW zero means just print the type name or struct tag if there is one. |
| 451 | If there is no name, print something sensible but not as concise like |
| 452 | "struct {int x; int y;}". |
| 453 | |
| 454 | LEVEL is the number of spaces to indent by. |
| 455 | We increase it for some recursive calls. */ |
| 456 | |
| 457 | void |
| 458 | pascal_type_print_base (struct type *type, struct ui_file *stream, int show, |
| 459 | int level, const struct type_print_options *flags) |
| 460 | { |
| 461 | int i; |
| 462 | int len; |
| 463 | LONGEST lastval; |
| 464 | enum |
| 465 | { |
| 466 | s_none, s_public, s_private, s_protected |
| 467 | } |
| 468 | section_type; |
| 469 | |
| 470 | QUIT; |
| 471 | wrap_here (" "); |
| 472 | if (type == NULL) |
| 473 | { |
| 474 | fputs_styled ("<type unknown>", metadata_style.style (), stream); |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | /* void pointer */ |
| 479 | if ((TYPE_CODE (type) == TYPE_CODE_PTR) |
| 480 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)) |
| 481 | { |
| 482 | fputs_filtered (TYPE_NAME (type) ? TYPE_NAME (type) : "pointer", |
| 483 | stream); |
| 484 | return; |
| 485 | } |
| 486 | /* When SHOW is zero or less, and there is a valid type name, then always |
| 487 | just print the type name directly from the type. */ |
| 488 | |
| 489 | if (show <= 0 |
| 490 | && TYPE_NAME (type) != NULL) |
| 491 | { |
| 492 | fputs_filtered (TYPE_NAME (type), stream); |
| 493 | return; |
| 494 | } |
| 495 | |
| 496 | type = check_typedef (type); |
| 497 | |
| 498 | switch (TYPE_CODE (type)) |
| 499 | { |
| 500 | case TYPE_CODE_TYPEDEF: |
| 501 | case TYPE_CODE_PTR: |
| 502 | case TYPE_CODE_REF: |
| 503 | /* case TYPE_CODE_FUNC: |
| 504 | case TYPE_CODE_METHOD: */ |
| 505 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level, |
| 506 | flags); |
| 507 | break; |
| 508 | |
| 509 | case TYPE_CODE_ARRAY: |
| 510 | /* pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 511 | stream, 0, 0); |
| 512 | pascal_type_print_base (TYPE_TARGET_TYPE (type), |
| 513 | stream, show, level); |
| 514 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), |
| 515 | stream, 0, 0, 0); */ |
| 516 | pascal_print_type (TYPE_TARGET_TYPE (type), NULL, stream, 0, 0, flags); |
| 517 | break; |
| 518 | |
| 519 | case TYPE_CODE_FUNC: |
| 520 | case TYPE_CODE_METHOD: |
| 521 | /* |
| 522 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 523 | only after args !! */ |
| 524 | break; |
| 525 | case TYPE_CODE_STRUCT: |
| 526 | if (TYPE_NAME (type) != NULL) |
| 527 | { |
| 528 | fputs_filtered (TYPE_NAME (type), stream); |
| 529 | fputs_filtered (" = ", stream); |
| 530 | } |
| 531 | if (HAVE_CPLUS_STRUCT (type)) |
| 532 | { |
| 533 | fprintf_filtered (stream, "class "); |
| 534 | } |
| 535 | else |
| 536 | { |
| 537 | fprintf_filtered (stream, "record "); |
| 538 | } |
| 539 | goto struct_union; |
| 540 | |
| 541 | case TYPE_CODE_UNION: |
| 542 | if (TYPE_NAME (type) != NULL) |
| 543 | { |
| 544 | fputs_filtered (TYPE_NAME (type), stream); |
| 545 | fputs_filtered (" = ", stream); |
| 546 | } |
| 547 | fprintf_filtered (stream, "case <?> of "); |
| 548 | |
| 549 | struct_union: |
| 550 | wrap_here (" "); |
| 551 | if (show < 0) |
| 552 | { |
| 553 | /* If we just printed a tag name, no need to print anything else. */ |
| 554 | if (TYPE_NAME (type) == NULL) |
| 555 | fprintf_filtered (stream, "{...}"); |
| 556 | } |
| 557 | else if (show > 0 || TYPE_NAME (type) == NULL) |
| 558 | { |
| 559 | pascal_type_print_derivation_info (stream, type); |
| 560 | |
| 561 | fprintf_filtered (stream, "\n"); |
| 562 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) |
| 563 | { |
| 564 | if (TYPE_STUB (type)) |
| 565 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); |
| 566 | else |
| 567 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); |
| 568 | } |
| 569 | |
| 570 | /* Start off with no specific section type, so we can print |
| 571 | one for the first field we find, and use that section type |
| 572 | thereafter until we find another type. */ |
| 573 | |
| 574 | section_type = s_none; |
| 575 | |
| 576 | /* If there is a base class for this type, |
| 577 | do not print the field that it occupies. */ |
| 578 | |
| 579 | len = TYPE_NFIELDS (type); |
| 580 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 581 | { |
| 582 | QUIT; |
| 583 | /* Don't print out virtual function table. */ |
| 584 | if ((startswith (TYPE_FIELD_NAME (type, i), "_vptr")) |
| 585 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) |
| 586 | continue; |
| 587 | |
| 588 | /* If this is a pascal object or class we can print the |
| 589 | various section labels. */ |
| 590 | |
| 591 | if (HAVE_CPLUS_STRUCT (type)) |
| 592 | { |
| 593 | if (TYPE_FIELD_PROTECTED (type, i)) |
| 594 | { |
| 595 | if (section_type != s_protected) |
| 596 | { |
| 597 | section_type = s_protected; |
| 598 | fprintfi_filtered (level + 2, stream, |
| 599 | "protected\n"); |
| 600 | } |
| 601 | } |
| 602 | else if (TYPE_FIELD_PRIVATE (type, i)) |
| 603 | { |
| 604 | if (section_type != s_private) |
| 605 | { |
| 606 | section_type = s_private; |
| 607 | fprintfi_filtered (level + 2, stream, "private\n"); |
| 608 | } |
| 609 | } |
| 610 | else |
| 611 | { |
| 612 | if (section_type != s_public) |
| 613 | { |
| 614 | section_type = s_public; |
| 615 | fprintfi_filtered (level + 2, stream, "public\n"); |
| 616 | } |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | print_spaces_filtered (level + 4, stream); |
| 621 | if (field_is_static (&TYPE_FIELD (type, i))) |
| 622 | fprintf_filtered (stream, "static "); |
| 623 | pascal_print_type (TYPE_FIELD_TYPE (type, i), |
| 624 | TYPE_FIELD_NAME (type, i), |
| 625 | stream, show - 1, level + 4, flags); |
| 626 | if (!field_is_static (&TYPE_FIELD (type, i)) |
| 627 | && TYPE_FIELD_PACKED (type, i)) |
| 628 | { |
| 629 | /* It is a bitfield. This code does not attempt |
| 630 | to look at the bitpos and reconstruct filler, |
| 631 | unnamed fields. This would lead to misleading |
| 632 | results if the compiler does not put out fields |
| 633 | for such things (I don't know what it does). */ |
| 634 | fprintf_filtered (stream, " : %d", |
| 635 | TYPE_FIELD_BITSIZE (type, i)); |
| 636 | } |
| 637 | fprintf_filtered (stream, ";\n"); |
| 638 | } |
| 639 | |
| 640 | /* If there are both fields and methods, put a space between. */ |
| 641 | len = TYPE_NFN_FIELDS (type); |
| 642 | if (len && section_type != s_none) |
| 643 | fprintf_filtered (stream, "\n"); |
| 644 | |
| 645 | /* Object pascal: print out the methods. */ |
| 646 | |
| 647 | for (i = 0; i < len; i++) |
| 648 | { |
| 649 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 650 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 651 | const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 652 | |
| 653 | /* this is GNU C++ specific |
| 654 | how can we know constructor/destructor? |
| 655 | It might work for GNU pascal. */ |
| 656 | for (j = 0; j < len2; j++) |
| 657 | { |
| 658 | const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
| 659 | |
| 660 | int is_constructor = (startswith (physname, "__ct__")); |
| 661 | int is_destructor = (startswith (physname, "__dt__")); |
| 662 | |
| 663 | QUIT; |
| 664 | if (TYPE_FN_FIELD_PROTECTED (f, j)) |
| 665 | { |
| 666 | if (section_type != s_protected) |
| 667 | { |
| 668 | section_type = s_protected; |
| 669 | fprintfi_filtered (level + 2, stream, |
| 670 | "protected\n"); |
| 671 | } |
| 672 | } |
| 673 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) |
| 674 | { |
| 675 | if (section_type != s_private) |
| 676 | { |
| 677 | section_type = s_private; |
| 678 | fprintfi_filtered (level + 2, stream, "private\n"); |
| 679 | } |
| 680 | } |
| 681 | else |
| 682 | { |
| 683 | if (section_type != s_public) |
| 684 | { |
| 685 | section_type = s_public; |
| 686 | fprintfi_filtered (level + 2, stream, "public\n"); |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | print_spaces_filtered (level + 4, stream); |
| 691 | if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| 692 | fprintf_filtered (stream, "static "); |
| 693 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
| 694 | { |
| 695 | /* Keep GDB from crashing here. */ |
| 696 | fprintf_filtered (stream, "<undefined type> %s;\n", |
| 697 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | if (is_constructor) |
| 702 | { |
| 703 | fprintf_filtered (stream, "constructor "); |
| 704 | } |
| 705 | else if (is_destructor) |
| 706 | { |
| 707 | fprintf_filtered (stream, "destructor "); |
| 708 | } |
| 709 | else if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 |
| 710 | && TYPE_CODE (TYPE_TARGET_TYPE ( |
| 711 | TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) |
| 712 | { |
| 713 | fprintf_filtered (stream, "function "); |
| 714 | } |
| 715 | else |
| 716 | { |
| 717 | fprintf_filtered (stream, "procedure "); |
| 718 | } |
| 719 | /* This does not work, no idea why !! */ |
| 720 | |
| 721 | pascal_type_print_method_args (physname, |
| 722 | method_name, |
| 723 | stream); |
| 724 | |
| 725 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 |
| 726 | && TYPE_CODE (TYPE_TARGET_TYPE ( |
| 727 | TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) |
| 728 | { |
| 729 | fputs_filtered (" : ", stream); |
| 730 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), |
| 731 | "", stream, -1); |
| 732 | } |
| 733 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
| 734 | fprintf_filtered (stream, "; virtual"); |
| 735 | |
| 736 | fprintf_filtered (stream, ";\n"); |
| 737 | } |
| 738 | } |
| 739 | fprintfi_filtered (level, stream, "end"); |
| 740 | } |
| 741 | break; |
| 742 | |
| 743 | case TYPE_CODE_ENUM: |
| 744 | if (TYPE_NAME (type) != NULL) |
| 745 | { |
| 746 | fputs_filtered (TYPE_NAME (type), stream); |
| 747 | if (show > 0) |
| 748 | fputs_filtered (" ", stream); |
| 749 | } |
| 750 | /* enum is just defined by |
| 751 | type enume_name = (enum_member1,enum_member2,...) */ |
| 752 | fprintf_filtered (stream, " = "); |
| 753 | wrap_here (" "); |
| 754 | if (show < 0) |
| 755 | { |
| 756 | /* If we just printed a tag name, no need to print anything else. */ |
| 757 | if (TYPE_NAME (type) == NULL) |
| 758 | fprintf_filtered (stream, "(...)"); |
| 759 | } |
| 760 | else if (show > 0 || TYPE_NAME (type) == NULL) |
| 761 | { |
| 762 | fprintf_filtered (stream, "("); |
| 763 | len = TYPE_NFIELDS (type); |
| 764 | lastval = 0; |
| 765 | for (i = 0; i < len; i++) |
| 766 | { |
| 767 | QUIT; |
| 768 | if (i) |
| 769 | fprintf_filtered (stream, ", "); |
| 770 | wrap_here (" "); |
| 771 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 772 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
| 773 | { |
| 774 | fprintf_filtered (stream, |
| 775 | " := %s", |
| 776 | plongest (TYPE_FIELD_ENUMVAL (type, i))); |
| 777 | lastval = TYPE_FIELD_ENUMVAL (type, i); |
| 778 | } |
| 779 | lastval++; |
| 780 | } |
| 781 | fprintf_filtered (stream, ")"); |
| 782 | } |
| 783 | break; |
| 784 | |
| 785 | case TYPE_CODE_VOID: |
| 786 | fprintf_filtered (stream, "void"); |
| 787 | break; |
| 788 | |
| 789 | case TYPE_CODE_UNDEF: |
| 790 | fprintf_filtered (stream, "record <unknown>"); |
| 791 | break; |
| 792 | |
| 793 | case TYPE_CODE_ERROR: |
| 794 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); |
| 795 | break; |
| 796 | |
| 797 | /* this probably does not work for enums. */ |
| 798 | case TYPE_CODE_RANGE: |
| 799 | { |
| 800 | struct type *target = TYPE_TARGET_TYPE (type); |
| 801 | |
| 802 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); |
| 803 | fputs_filtered ("..", stream); |
| 804 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); |
| 805 | } |
| 806 | break; |
| 807 | |
| 808 | case TYPE_CODE_SET: |
| 809 | fputs_filtered ("set of ", stream); |
| 810 | pascal_print_type (TYPE_INDEX_TYPE (type), "", stream, |
| 811 | show - 1, level, flags); |
| 812 | break; |
| 813 | |
| 814 | case TYPE_CODE_STRING: |
| 815 | fputs_filtered ("String", stream); |
| 816 | break; |
| 817 | |
| 818 | default: |
| 819 | /* Handle types not explicitly handled by the other cases, |
| 820 | such as fundamental types. For these, just print whatever |
| 821 | the type name is, as recorded in the type itself. If there |
| 822 | is no type name, then complain. */ |
| 823 | if (TYPE_NAME (type) != NULL) |
| 824 | { |
| 825 | fputs_filtered (TYPE_NAME (type), stream); |
| 826 | } |
| 827 | else |
| 828 | { |
| 829 | /* At least for dump_symtab, it is important that this not be |
| 830 | an error (). */ |
| 831 | fprintf_styled (stream, metadata_style.style (), |
| 832 | "<invalid unnamed pascal type code %d>", |
| 833 | TYPE_CODE (type)); |
| 834 | } |
| 835 | break; |
| 836 | } |
| 837 | } |