| 1 | /* Support for printing Pascal types for GDB, the GNU debugger. |
| 2 | Copyright 2000 |
| 3 | 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 2 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, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* This file is derived from p-typeprint.c */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "obstack.h" |
| 25 | #include "bfd.h" /* Binary File Description */ |
| 26 | #include "symtab.h" |
| 27 | #include "gdbtypes.h" |
| 28 | #include "expression.h" |
| 29 | #include "value.h" |
| 30 | #include "gdbcore.h" |
| 31 | #include "target.h" |
| 32 | #include "command.h" |
| 33 | #include "gdbcmd.h" |
| 34 | #include "language.h" |
| 35 | #include "demangle.h" |
| 36 | #include "p-lang.h" |
| 37 | #include "typeprint.h" |
| 38 | |
| 39 | #include "gdb_string.h" |
| 40 | #include <errno.h> |
| 41 | #include <ctype.h> |
| 42 | |
| 43 | static void pascal_type_print_args (struct type *, struct ui_file *); |
| 44 | |
| 45 | static void pascal_type_print_varspec_suffix (struct type *, struct ui_file *, int, int, int); |
| 46 | |
| 47 | static void pascal_type_print_derivation_info (struct ui_file *, struct type *); |
| 48 | |
| 49 | void pascal_type_print_varspec_prefix (struct type *, struct ui_file *, int, int); |
| 50 | \f |
| 51 | |
| 52 | /* LEVEL is the depth to indent lines by. */ |
| 53 | |
| 54 | void |
| 55 | pascal_print_type (struct type *type, char *varstring, struct ui_file *stream, |
| 56 | int show, int level) |
| 57 | { |
| 58 | register enum type_code code; |
| 59 | int demangled_args; |
| 60 | |
| 61 | code = TYPE_CODE (type); |
| 62 | |
| 63 | if (show > 0) |
| 64 | CHECK_TYPEDEF (type); |
| 65 | |
| 66 | if ((code == TYPE_CODE_FUNC || |
| 67 | code == TYPE_CODE_METHOD)) |
| 68 | { |
| 69 | pascal_type_print_varspec_prefix (type, stream, show, 0); |
| 70 | } |
| 71 | /* first the name */ |
| 72 | fputs_filtered (varstring, stream); |
| 73 | |
| 74 | if ((varstring != NULL && *varstring != '\0') && |
| 75 | !(code == TYPE_CODE_FUNC || |
| 76 | code == TYPE_CODE_METHOD)) |
| 77 | { |
| 78 | fputs_filtered (" : ", stream); |
| 79 | } |
| 80 | |
| 81 | if (!(code == TYPE_CODE_FUNC || |
| 82 | code == TYPE_CODE_METHOD)) |
| 83 | { |
| 84 | pascal_type_print_varspec_prefix (type, stream, show, 0); |
| 85 | } |
| 86 | |
| 87 | pascal_type_print_base (type, stream, show, level); |
| 88 | /* For demangled function names, we have the arglist as part of the name, |
| 89 | so don't print an additional pair of ()'s */ |
| 90 | |
| 91 | demangled_args = varstring ? strchr (varstring, '(') != NULL : 0; |
| 92 | pascal_type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
| 93 | |
| 94 | } |
| 95 | |
| 96 | /* If TYPE is a derived type, then print out derivation information. |
| 97 | Print only the actual base classes of this type, not the base classes |
| 98 | of the base classes. I.E. for the derivation hierarchy: |
| 99 | |
| 100 | class A { int a; }; |
| 101 | class B : public A {int b; }; |
| 102 | class C : public B {int c; }; |
| 103 | |
| 104 | Print the type of class C as: |
| 105 | |
| 106 | class C : public B { |
| 107 | int c; |
| 108 | } |
| 109 | |
| 110 | Not as the following (like gdb used to), which is not legal C++ syntax for |
| 111 | derived types and may be confused with the multiple inheritance form: |
| 112 | |
| 113 | class C : public B : public A { |
| 114 | int c; |
| 115 | } |
| 116 | |
| 117 | In general, gdb should try to print the types as closely as possible to |
| 118 | the form that they appear in the source code. */ |
| 119 | |
| 120 | static void |
| 121 | pascal_type_print_derivation_info (struct ui_file *stream, struct type *type) |
| 122 | { |
| 123 | char *name; |
| 124 | int i; |
| 125 | |
| 126 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| 127 | { |
| 128 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
| 129 | fprintf_filtered (stream, "%s%s ", |
| 130 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", |
| 131 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
| 132 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); |
| 133 | fprintf_filtered (stream, "%s", name ? name : "(null)"); |
| 134 | } |
| 135 | if (i > 0) |
| 136 | { |
| 137 | fputs_filtered (" ", stream); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | /* Print the Pascal method arguments ARGS to the file STREAM. */ |
| 142 | |
| 143 | void |
| 144 | pascal_type_print_method_args (char *physname, char *methodname, |
| 145 | struct ui_file *stream) |
| 146 | { |
| 147 | int is_constructor = STREQN (physname, "__ct__", 6); |
| 148 | int is_destructor = STREQN (physname, "__dt__", 6); |
| 149 | |
| 150 | if (is_constructor || is_destructor) |
| 151 | { |
| 152 | physname += 6; |
| 153 | } |
| 154 | |
| 155 | fputs_filtered (methodname, stream); |
| 156 | |
| 157 | if (physname && (*physname != 0)) |
| 158 | { |
| 159 | int i = 0; |
| 160 | int len = 0; |
| 161 | char storec; |
| 162 | char *argname; |
| 163 | fputs_filtered (" (", stream); |
| 164 | /* we must demangle this */ |
| 165 | while (isdigit (physname[0])) |
| 166 | { |
| 167 | while (isdigit (physname[len])) |
| 168 | { |
| 169 | len++; |
| 170 | } |
| 171 | i = strtol (physname, &argname, 0); |
| 172 | physname += len; |
| 173 | storec = physname[i]; |
| 174 | physname[i] = 0; |
| 175 | fputs_filtered (physname, stream); |
| 176 | physname[i] = storec; |
| 177 | physname += i; |
| 178 | if (physname[0] != 0) |
| 179 | { |
| 180 | fputs_filtered (", ", stream); |
| 181 | } |
| 182 | } |
| 183 | fputs_filtered (")", stream); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /* Print any asterisks or open-parentheses needed before the |
| 188 | variable name (to describe its type). |
| 189 | |
| 190 | On outermost call, pass 0 for PASSED_A_PTR. |
| 191 | On outermost call, SHOW > 0 means should ignore |
| 192 | any typename for TYPE and show its details. |
| 193 | SHOW is always zero on recursive calls. */ |
| 194 | |
| 195 | void |
| 196 | pascal_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
| 197 | int show, int passed_a_ptr) |
| 198 | { |
| 199 | char *name; |
| 200 | if (type == 0) |
| 201 | return; |
| 202 | |
| 203 | if (TYPE_NAME (type) && show <= 0) |
| 204 | return; |
| 205 | |
| 206 | QUIT; |
| 207 | |
| 208 | switch (TYPE_CODE (type)) |
| 209 | { |
| 210 | case TYPE_CODE_PTR: |
| 211 | fprintf_filtered (stream, "^"); |
| 212 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 213 | break; /* pointer should be handled normally in pascal */ |
| 214 | |
| 215 | case TYPE_CODE_MEMBER: |
| 216 | if (passed_a_ptr) |
| 217 | fprintf_filtered (stream, "("); |
| 218 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 219 | fprintf_filtered (stream, " "); |
| 220 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); |
| 221 | if (name) |
| 222 | fputs_filtered (name, stream); |
| 223 | else |
| 224 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); |
| 225 | fprintf_filtered (stream, "::"); |
| 226 | break; |
| 227 | |
| 228 | case TYPE_CODE_METHOD: |
| 229 | if (passed_a_ptr) |
| 230 | fprintf_filtered (stream, "("); |
| 231 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 232 | { |
| 233 | fprintf_filtered (stream, "function "); |
| 234 | } |
| 235 | else |
| 236 | { |
| 237 | fprintf_filtered (stream, "procedure "); |
| 238 | } |
| 239 | |
| 240 | if (passed_a_ptr) |
| 241 | { |
| 242 | fprintf_filtered (stream, " "); |
| 243 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); |
| 244 | fprintf_filtered (stream, "::"); |
| 245 | } |
| 246 | break; |
| 247 | |
| 248 | case TYPE_CODE_REF: |
| 249 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 250 | fprintf_filtered (stream, "&"); |
| 251 | break; |
| 252 | |
| 253 | case TYPE_CODE_FUNC: |
| 254 | if (passed_a_ptr) |
| 255 | fprintf_filtered (stream, "("); |
| 256 | |
| 257 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 258 | { |
| 259 | fprintf_filtered (stream, "function "); |
| 260 | } |
| 261 | else |
| 262 | { |
| 263 | fprintf_filtered (stream, "procedure "); |
| 264 | } |
| 265 | |
| 266 | break; |
| 267 | |
| 268 | case TYPE_CODE_ARRAY: |
| 269 | if (passed_a_ptr) |
| 270 | fprintf_filtered (stream, "("); |
| 271 | fprintf_filtered (stream, "array "); |
| 272 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
| 273 | && TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED) |
| 274 | fprintf_filtered (stream, "[%d..%d] ", |
| 275 | TYPE_ARRAY_LOWER_BOUND_VALUE (type), |
| 276 | TYPE_ARRAY_UPPER_BOUND_VALUE (type) |
| 277 | ); |
| 278 | fprintf_filtered (stream, "of "); |
| 279 | break; |
| 280 | |
| 281 | case TYPE_CODE_UNDEF: |
| 282 | case TYPE_CODE_STRUCT: |
| 283 | case TYPE_CODE_UNION: |
| 284 | case TYPE_CODE_ENUM: |
| 285 | case TYPE_CODE_INT: |
| 286 | case TYPE_CODE_FLT: |
| 287 | case TYPE_CODE_VOID: |
| 288 | case TYPE_CODE_ERROR: |
| 289 | case TYPE_CODE_CHAR: |
| 290 | case TYPE_CODE_BOOL: |
| 291 | case TYPE_CODE_SET: |
| 292 | case TYPE_CODE_RANGE: |
| 293 | case TYPE_CODE_STRING: |
| 294 | case TYPE_CODE_BITSTRING: |
| 295 | case TYPE_CODE_COMPLEX: |
| 296 | case TYPE_CODE_TYPEDEF: |
| 297 | case TYPE_CODE_TEMPLATE: |
| 298 | /* These types need no prefix. They are listed here so that |
| 299 | gcc -Wall will reveal any types that haven't been handled. */ |
| 300 | break; |
| 301 | default: |
| 302 | error ("type not handled in pascal_type_print_varspec_prefix()"); |
| 303 | break; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static void |
| 308 | pascal_type_print_args (struct type *type, struct ui_file *stream) |
| 309 | { |
| 310 | int i; |
| 311 | struct type **args; |
| 312 | |
| 313 | /* fprintf_filtered (stream, "("); |
| 314 | no () for procedures !! */ |
| 315 | args = TYPE_ARG_TYPES (type); |
| 316 | if (args != NULL) |
| 317 | { |
| 318 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || |
| 319 | (args[2] != NULL)) |
| 320 | { |
| 321 | fprintf_filtered (stream, "("); |
| 322 | } |
| 323 | if (args[1] == NULL) |
| 324 | { |
| 325 | fprintf_filtered (stream, "..."); |
| 326 | } |
| 327 | else |
| 328 | { |
| 329 | for (i = 1; |
| 330 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; |
| 331 | i++) |
| 332 | { |
| 333 | pascal_print_type (args[i], "", stream, -1, 0); |
| 334 | if (args[i + 1] == NULL) |
| 335 | { |
| 336 | fprintf_filtered (stream, "..."); |
| 337 | } |
| 338 | else if (args[i + 1]->code != TYPE_CODE_VOID) |
| 339 | { |
| 340 | fprintf_filtered (stream, ","); |
| 341 | wrap_here (" "); |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || |
| 346 | (args[2] != NULL)) |
| 347 | { |
| 348 | fprintf_filtered (stream, ")"); |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | static void |
| 354 | pascal_print_func_args (struct type *type, struct ui_file *stream) |
| 355 | { |
| 356 | int i, len = TYPE_NFIELDS (type); |
| 357 | if (len) |
| 358 | { |
| 359 | fprintf_filtered (stream, "("); |
| 360 | } |
| 361 | for (i = 0; i < len; i++) |
| 362 | { |
| 363 | if (i > 0) |
| 364 | { |
| 365 | fputs_filtered (", ", stream); |
| 366 | wrap_here (" "); |
| 367 | } |
| 368 | /* can we find if it is a var parameter ?? |
| 369 | if ( TYPE_FIELD(type, i) == ) |
| 370 | { |
| 371 | fprintf_filtered (stream, "var "); |
| 372 | } */ |
| 373 | pascal_print_type (TYPE_FIELD_TYPE (type, i), "" /* TYPE_FIELD_NAME seems invalid ! */ |
| 374 | ,stream, -1, 0); |
| 375 | } |
| 376 | if (len) |
| 377 | { |
| 378 | fprintf_filtered (stream, ")"); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | /* Print any array sizes, function arguments or close parentheses |
| 383 | needed after the variable name (to describe its type). |
| 384 | Args work like pascal_type_print_varspec_prefix. */ |
| 385 | |
| 386 | static void |
| 387 | pascal_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
| 388 | int show, int passed_a_ptr, |
| 389 | int demangled_args) |
| 390 | { |
| 391 | if (type == 0) |
| 392 | return; |
| 393 | |
| 394 | if (TYPE_NAME (type) && show <= 0) |
| 395 | return; |
| 396 | |
| 397 | QUIT; |
| 398 | |
| 399 | switch (TYPE_CODE (type)) |
| 400 | { |
| 401 | case TYPE_CODE_ARRAY: |
| 402 | if (passed_a_ptr) |
| 403 | fprintf_filtered (stream, ")"); |
| 404 | break; |
| 405 | |
| 406 | case TYPE_CODE_MEMBER: |
| 407 | if (passed_a_ptr) |
| 408 | fprintf_filtered (stream, ")"); |
| 409 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 410 | break; |
| 411 | |
| 412 | case TYPE_CODE_METHOD: |
| 413 | if (passed_a_ptr) |
| 414 | fprintf_filtered (stream, ")"); |
| 415 | pascal_type_print_method_args ("", |
| 416 | "", |
| 417 | stream); |
| 418 | /* pascal_type_print_args (type, stream); */ |
| 419 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 420 | { |
| 421 | fprintf_filtered (stream, " : "); |
| 422 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 423 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); |
| 424 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 425 | passed_a_ptr, 0); |
| 426 | } |
| 427 | break; |
| 428 | |
| 429 | case TYPE_CODE_PTR: |
| 430 | case TYPE_CODE_REF: |
| 431 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); |
| 432 | break; |
| 433 | |
| 434 | case TYPE_CODE_FUNC: |
| 435 | if (passed_a_ptr) |
| 436 | fprintf_filtered (stream, ")"); |
| 437 | if (!demangled_args) |
| 438 | pascal_print_func_args (type, stream); |
| 439 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) |
| 440 | { |
| 441 | fprintf_filtered (stream, " : "); |
| 442 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 443 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); |
| 444 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 445 | passed_a_ptr, 0); |
| 446 | } |
| 447 | break; |
| 448 | |
| 449 | case TYPE_CODE_UNDEF: |
| 450 | case TYPE_CODE_STRUCT: |
| 451 | case TYPE_CODE_UNION: |
| 452 | case TYPE_CODE_ENUM: |
| 453 | case TYPE_CODE_INT: |
| 454 | case TYPE_CODE_FLT: |
| 455 | case TYPE_CODE_VOID: |
| 456 | case TYPE_CODE_ERROR: |
| 457 | case TYPE_CODE_CHAR: |
| 458 | case TYPE_CODE_BOOL: |
| 459 | case TYPE_CODE_SET: |
| 460 | case TYPE_CODE_RANGE: |
| 461 | case TYPE_CODE_STRING: |
| 462 | case TYPE_CODE_BITSTRING: |
| 463 | case TYPE_CODE_COMPLEX: |
| 464 | case TYPE_CODE_TYPEDEF: |
| 465 | case TYPE_CODE_TEMPLATE: |
| 466 | /* These types do not need a suffix. They are listed so that |
| 467 | gcc -Wall will report types that may not have been considered. */ |
| 468 | break; |
| 469 | default: |
| 470 | error ("type not handled in pascal_type_print_varspec_suffix()"); |
| 471 | break; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | /* Print the name of the type (or the ultimate pointer target, |
| 476 | function value or array element), or the description of a |
| 477 | structure or union. |
| 478 | |
| 479 | SHOW positive means print details about the type (e.g. enum values), |
| 480 | and print structure elements passing SHOW - 1 for show. |
| 481 | SHOW negative means just print the type name or struct tag if there is one. |
| 482 | If there is no name, print something sensible but concise like |
| 483 | "struct {...}". |
| 484 | SHOW zero means just print the type name or struct tag if there is one. |
| 485 | If there is no name, print something sensible but not as concise like |
| 486 | "struct {int x; int y;}". |
| 487 | |
| 488 | LEVEL is the number of spaces to indent by. |
| 489 | We increase it for some recursive calls. */ |
| 490 | |
| 491 | void |
| 492 | pascal_type_print_base (struct type *type, struct ui_file *stream, int show, |
| 493 | int level) |
| 494 | { |
| 495 | register int i; |
| 496 | register int len; |
| 497 | register int lastval; |
| 498 | enum |
| 499 | { |
| 500 | s_none, s_public, s_private, s_protected |
| 501 | } |
| 502 | section_type; |
| 503 | QUIT; |
| 504 | |
| 505 | wrap_here (" "); |
| 506 | if (type == NULL) |
| 507 | { |
| 508 | fputs_filtered ("<type unknown>", stream); |
| 509 | return; |
| 510 | } |
| 511 | |
| 512 | /* void pointer */ |
| 513 | if ((TYPE_CODE (type) == TYPE_CODE_PTR) && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)) |
| 514 | { |
| 515 | fprintf_filtered (stream, |
| 516 | TYPE_NAME (type) ? TYPE_NAME (type) : "pointer"); |
| 517 | return; |
| 518 | } |
| 519 | /* When SHOW is zero or less, and there is a valid type name, then always |
| 520 | just print the type name directly from the type. */ |
| 521 | |
| 522 | if (show <= 0 |
| 523 | && TYPE_NAME (type) != NULL) |
| 524 | { |
| 525 | fputs_filtered (TYPE_NAME (type), stream); |
| 526 | return; |
| 527 | } |
| 528 | |
| 529 | CHECK_TYPEDEF (type); |
| 530 | |
| 531 | switch (TYPE_CODE (type)) |
| 532 | { |
| 533 | case TYPE_CODE_TYPEDEF: |
| 534 | case TYPE_CODE_PTR: |
| 535 | case TYPE_CODE_MEMBER: |
| 536 | case TYPE_CODE_REF: |
| 537 | /* case TYPE_CODE_FUNC: |
| 538 | case TYPE_CODE_METHOD: */ |
| 539 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 540 | break; |
| 541 | |
| 542 | case TYPE_CODE_ARRAY: |
| 543 | /* pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 544 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 545 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); */ |
| 546 | pascal_print_type (TYPE_TARGET_TYPE (type), NULL, stream, 0, 0); |
| 547 | break; |
| 548 | |
| 549 | case TYPE_CODE_FUNC: |
| 550 | case TYPE_CODE_METHOD: |
| 551 | /* |
| 552 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 553 | only after args !! */ |
| 554 | break; |
| 555 | case TYPE_CODE_STRUCT: |
| 556 | if (TYPE_TAG_NAME (type) != NULL) |
| 557 | { |
| 558 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 559 | fputs_filtered (" = ", stream); |
| 560 | } |
| 561 | if (HAVE_CPLUS_STRUCT (type)) |
| 562 | { |
| 563 | fprintf_filtered (stream, "class "); |
| 564 | } |
| 565 | else |
| 566 | { |
| 567 | fprintf_filtered (stream, "record "); |
| 568 | } |
| 569 | goto struct_union; |
| 570 | |
| 571 | case TYPE_CODE_UNION: |
| 572 | if (TYPE_TAG_NAME (type) != NULL) |
| 573 | { |
| 574 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 575 | fputs_filtered (" = ", stream); |
| 576 | } |
| 577 | fprintf_filtered (stream, "case <?> of "); |
| 578 | |
| 579 | struct_union: |
| 580 | wrap_here (" "); |
| 581 | if (show < 0) |
| 582 | { |
| 583 | /* If we just printed a tag name, no need to print anything else. */ |
| 584 | if (TYPE_TAG_NAME (type) == NULL) |
| 585 | fprintf_filtered (stream, "{...}"); |
| 586 | } |
| 587 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 588 | { |
| 589 | pascal_type_print_derivation_info (stream, type); |
| 590 | |
| 591 | fprintf_filtered (stream, "\n"); |
| 592 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) |
| 593 | { |
| 594 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) |
| 595 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); |
| 596 | else |
| 597 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); |
| 598 | } |
| 599 | |
| 600 | /* Start off with no specific section type, so we can print |
| 601 | one for the first field we find, and use that section type |
| 602 | thereafter until we find another type. */ |
| 603 | |
| 604 | section_type = s_none; |
| 605 | |
| 606 | /* If there is a base class for this type, |
| 607 | do not print the field that it occupies. */ |
| 608 | |
| 609 | len = TYPE_NFIELDS (type); |
| 610 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 611 | { |
| 612 | QUIT; |
| 613 | /* Don't print out virtual function table. */ |
| 614 | if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5) |
| 615 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) |
| 616 | continue; |
| 617 | |
| 618 | /* If this is a pascal object or class we can print the |
| 619 | various section labels. */ |
| 620 | |
| 621 | if (HAVE_CPLUS_STRUCT (type)) |
| 622 | { |
| 623 | if (TYPE_FIELD_PROTECTED (type, i)) |
| 624 | { |
| 625 | if (section_type != s_protected) |
| 626 | { |
| 627 | section_type = s_protected; |
| 628 | fprintfi_filtered (level + 2, stream, |
| 629 | "protected\n"); |
| 630 | } |
| 631 | } |
| 632 | else if (TYPE_FIELD_PRIVATE (type, i)) |
| 633 | { |
| 634 | if (section_type != s_private) |
| 635 | { |
| 636 | section_type = s_private; |
| 637 | fprintfi_filtered (level + 2, stream, "private\n"); |
| 638 | } |
| 639 | } |
| 640 | else |
| 641 | { |
| 642 | if (section_type != s_public) |
| 643 | { |
| 644 | section_type = s_public; |
| 645 | fprintfi_filtered (level + 2, stream, "public\n"); |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | print_spaces_filtered (level + 4, stream); |
| 651 | if (TYPE_FIELD_STATIC (type, i)) |
| 652 | { |
| 653 | fprintf_filtered (stream, "static "); |
| 654 | } |
| 655 | pascal_print_type (TYPE_FIELD_TYPE (type, i), |
| 656 | TYPE_FIELD_NAME (type, i), |
| 657 | stream, show - 1, level + 4); |
| 658 | if (!TYPE_FIELD_STATIC (type, i) |
| 659 | && TYPE_FIELD_PACKED (type, i)) |
| 660 | { |
| 661 | /* It is a bitfield. This code does not attempt |
| 662 | to look at the bitpos and reconstruct filler, |
| 663 | unnamed fields. This would lead to misleading |
| 664 | results if the compiler does not put out fields |
| 665 | for such things (I don't know what it does). */ |
| 666 | fprintf_filtered (stream, " : %d", |
| 667 | TYPE_FIELD_BITSIZE (type, i)); |
| 668 | } |
| 669 | fprintf_filtered (stream, ";\n"); |
| 670 | } |
| 671 | |
| 672 | /* If there are both fields and methods, put a space between. */ |
| 673 | len = TYPE_NFN_FIELDS (type); |
| 674 | if (len && section_type != s_none) |
| 675 | fprintf_filtered (stream, "\n"); |
| 676 | |
| 677 | /* Pbject pascal: print out the methods */ |
| 678 | |
| 679 | for (i = 0; i < len; i++) |
| 680 | { |
| 681 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 682 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 683 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 684 | char *name = type_name_no_tag (type); |
| 685 | /* this is GNU C++ specific |
| 686 | how can we know constructor/destructor? |
| 687 | It might work for GNU pascal */ |
| 688 | for (j = 0; j < len2; j++) |
| 689 | { |
| 690 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
| 691 | |
| 692 | int is_constructor = STREQN (physname, "__ct__", 6); |
| 693 | int is_destructor = STREQN (physname, "__dt__", 6); |
| 694 | |
| 695 | QUIT; |
| 696 | if (TYPE_FN_FIELD_PROTECTED (f, j)) |
| 697 | { |
| 698 | if (section_type != s_protected) |
| 699 | { |
| 700 | section_type = s_protected; |
| 701 | fprintfi_filtered (level + 2, stream, |
| 702 | "protected\n"); |
| 703 | } |
| 704 | } |
| 705 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) |
| 706 | { |
| 707 | if (section_type != s_private) |
| 708 | { |
| 709 | section_type = s_private; |
| 710 | fprintfi_filtered (level + 2, stream, "private\n"); |
| 711 | } |
| 712 | } |
| 713 | else |
| 714 | { |
| 715 | if (section_type != s_public) |
| 716 | { |
| 717 | section_type = s_public; |
| 718 | fprintfi_filtered (level + 2, stream, "public\n"); |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | print_spaces_filtered (level + 4, stream); |
| 723 | if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| 724 | fprintf_filtered (stream, "static "); |
| 725 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
| 726 | { |
| 727 | /* Keep GDB from crashing here. */ |
| 728 | fprintf_filtered (stream, "<undefined type> %s;\n", |
| 729 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
| 730 | break; |
| 731 | } |
| 732 | |
| 733 | if (is_constructor) |
| 734 | { |
| 735 | fprintf_filtered (stream, "constructor "); |
| 736 | } |
| 737 | else if (is_destructor) |
| 738 | { |
| 739 | fprintf_filtered (stream, "destructor "); |
| 740 | } |
| 741 | else if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && |
| 742 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) |
| 743 | { |
| 744 | fprintf_filtered (stream, "function "); |
| 745 | } |
| 746 | else |
| 747 | { |
| 748 | fprintf_filtered (stream, "procedure "); |
| 749 | } |
| 750 | /* this does not work, no idea why !! */ |
| 751 | |
| 752 | pascal_type_print_method_args (physname, |
| 753 | method_name, |
| 754 | stream); |
| 755 | |
| 756 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && |
| 757 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) |
| 758 | { |
| 759 | fputs_filtered (" : ", stream); |
| 760 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), |
| 761 | "", stream, -1); |
| 762 | } |
| 763 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
| 764 | fprintf_filtered (stream, "; virtual"); |
| 765 | |
| 766 | fprintf_filtered (stream, ";\n"); |
| 767 | } |
| 768 | } |
| 769 | fprintfi_filtered (level, stream, "end"); |
| 770 | } |
| 771 | break; |
| 772 | |
| 773 | case TYPE_CODE_ENUM: |
| 774 | if (TYPE_TAG_NAME (type) != NULL) |
| 775 | { |
| 776 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 777 | if (show > 0) |
| 778 | fputs_filtered (" ", stream); |
| 779 | } |
| 780 | /* enum is just defined by |
| 781 | type enume_name = (enum_member1,enum_member2,...) */ |
| 782 | fprintf_filtered (stream, " = "); |
| 783 | wrap_here (" "); |
| 784 | if (show < 0) |
| 785 | { |
| 786 | /* If we just printed a tag name, no need to print anything else. */ |
| 787 | if (TYPE_TAG_NAME (type) == NULL) |
| 788 | fprintf_filtered (stream, "(...)"); |
| 789 | } |
| 790 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 791 | { |
| 792 | fprintf_filtered (stream, "("); |
| 793 | len = TYPE_NFIELDS (type); |
| 794 | lastval = 0; |
| 795 | for (i = 0; i < len; i++) |
| 796 | { |
| 797 | QUIT; |
| 798 | if (i) |
| 799 | fprintf_filtered (stream, ", "); |
| 800 | wrap_here (" "); |
| 801 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 802 | if (lastval != TYPE_FIELD_BITPOS (type, i)) |
| 803 | { |
| 804 | fprintf_filtered (stream, " := %d", TYPE_FIELD_BITPOS (type, i)); |
| 805 | lastval = TYPE_FIELD_BITPOS (type, i); |
| 806 | } |
| 807 | lastval++; |
| 808 | } |
| 809 | fprintf_filtered (stream, ")"); |
| 810 | } |
| 811 | break; |
| 812 | |
| 813 | case TYPE_CODE_VOID: |
| 814 | fprintf_filtered (stream, "void"); |
| 815 | break; |
| 816 | |
| 817 | case TYPE_CODE_UNDEF: |
| 818 | fprintf_filtered (stream, "record <unknown>"); |
| 819 | break; |
| 820 | |
| 821 | case TYPE_CODE_ERROR: |
| 822 | fprintf_filtered (stream, "<unknown type>"); |
| 823 | break; |
| 824 | |
| 825 | /* this probably does not work for enums */ |
| 826 | case TYPE_CODE_RANGE: |
| 827 | { |
| 828 | struct type *target = TYPE_TARGET_TYPE (type); |
| 829 | if (target == NULL) |
| 830 | target = builtin_type_long; |
| 831 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); |
| 832 | fputs_filtered ("..", stream); |
| 833 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); |
| 834 | } |
| 835 | break; |
| 836 | |
| 837 | case TYPE_CODE_SET: |
| 838 | fputs_filtered ("set of ", stream); |
| 839 | pascal_print_type (TYPE_INDEX_TYPE (type), "", stream, |
| 840 | show - 1, level); |
| 841 | break; |
| 842 | |
| 843 | default: |
| 844 | /* Handle types not explicitly handled by the other cases, |
| 845 | such as fundamental types. For these, just print whatever |
| 846 | the type name is, as recorded in the type itself. If there |
| 847 | is no type name, then complain. */ |
| 848 | if (TYPE_NAME (type) != NULL) |
| 849 | { |
| 850 | fputs_filtered (TYPE_NAME (type), stream); |
| 851 | } |
| 852 | else |
| 853 | { |
| 854 | /* At least for dump_symtab, it is important that this not be |
| 855 | an error (). */ |
| 856 | fprintf_filtered (stream, "<invalid unnamed pascal type code %d>", |
| 857 | TYPE_CODE (type)); |
| 858 | } |
| 859 | break; |
| 860 | } |
| 861 | } |