| 1 | /* Support for printing C and C++ types for GDB, the GNU debugger. |
| 2 | Copyright 1986, 1988, 1989, 1991, 1993, 1994 |
| 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "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 "command.h" |
| 31 | #include "gdbcmd.h" |
| 32 | #include "language.h" |
| 33 | #include "demangle.h" |
| 34 | #include "c-lang.h" |
| 35 | #include "typeprint.h" |
| 36 | |
| 37 | #include <string.h> |
| 38 | #include <errno.h> |
| 39 | #include <ctype.h> |
| 40 | |
| 41 | static void |
| 42 | c_type_print_args PARAMS ((struct type *, GDB_FILE *)); |
| 43 | |
| 44 | static void |
| 45 | c_type_print_varspec_suffix PARAMS ((struct type *, GDB_FILE *, int, int, int)); |
| 46 | |
| 47 | static void |
| 48 | cp_type_print_derivation_info PARAMS ((GDB_FILE *, struct type *)); |
| 49 | |
| 50 | void |
| 51 | c_type_print_varspec_prefix PARAMS ((struct type *, GDB_FILE *, int, int)); |
| 52 | |
| 53 | void |
| 54 | c_type_print_base PARAMS ((struct type *, GDB_FILE *, int, int)); |
| 55 | |
| 56 | \f |
| 57 | /* Print a description of a type in the format of a |
| 58 | typedef for the current language. |
| 59 | NEW is the new name for a type TYPE. */ |
| 60 | |
| 61 | void |
| 62 | c_typedef_print (type, new, stream) |
| 63 | struct type *type; |
| 64 | struct symbol *new; |
| 65 | GDB_FILE *stream; |
| 66 | { |
| 67 | switch (current_language->la_language) |
| 68 | { |
| 69 | #ifdef _LANG_c |
| 70 | case language_c: |
| 71 | case language_cplus: |
| 72 | fprintf_filtered(stream, "typedef "); |
| 73 | type_print(type,"",stream,0); |
| 74 | if(TYPE_NAME ((SYMBOL_TYPE (new))) == 0 |
| 75 | || !STREQ (TYPE_NAME ((SYMBOL_TYPE (new))), SYMBOL_NAME (new))) |
| 76 | fprintf_filtered(stream, " %s", SYMBOL_SOURCE_NAME(new)); |
| 77 | break; |
| 78 | #endif |
| 79 | #ifdef _LANG_m2 |
| 80 | case language_m2: |
| 81 | fprintf_filtered(stream, "TYPE "); |
| 82 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || |
| 83 | !STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new))) |
| 84 | fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new)); |
| 85 | else |
| 86 | fprintf_filtered(stream, "<builtin> = "); |
| 87 | type_print(type,"",stream,0); |
| 88 | break; |
| 89 | #endif |
| 90 | #ifdef _LANG_chill |
| 91 | case language_chill: |
| 92 | fprintf_filtered(stream, "SYNMODE "); |
| 93 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || |
| 94 | !STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new))) |
| 95 | fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new)); |
| 96 | else |
| 97 | fprintf_filtered(stream, "<builtin> = "); |
| 98 | type_print(type,"",stream,0); |
| 99 | break; |
| 100 | #endif |
| 101 | default: |
| 102 | error("Language not supported."); |
| 103 | } |
| 104 | fprintf_filtered(stream, ";\n"); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | /* LEVEL is the depth to indent lines by. */ |
| 109 | |
| 110 | void |
| 111 | c_print_type (type, varstring, stream, show, level) |
| 112 | struct type *type; |
| 113 | char *varstring; |
| 114 | GDB_FILE *stream; |
| 115 | int show; |
| 116 | int level; |
| 117 | { |
| 118 | register enum type_code code; |
| 119 | int demangled_args; |
| 120 | |
| 121 | c_type_print_base (type, stream, show, level); |
| 122 | code = TYPE_CODE (type); |
| 123 | if ((varstring != NULL && *varstring != '\0') |
| 124 | || |
| 125 | /* Need a space if going to print stars or brackets; |
| 126 | but not if we will print just a type name. */ |
| 127 | ((show > 0 || TYPE_NAME (type) == 0) |
| 128 | && |
| 129 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC |
| 130 | || code == TYPE_CODE_METHOD |
| 131 | || code == TYPE_CODE_ARRAY |
| 132 | || code == TYPE_CODE_MEMBER |
| 133 | || code == TYPE_CODE_REF))) |
| 134 | fputs_filtered (" ", stream); |
| 135 | c_type_print_varspec_prefix (type, stream, show, 0); |
| 136 | |
| 137 | fputs_filtered (varstring, stream); |
| 138 | |
| 139 | /* For demangled function names, we have the arglist as part of the name, |
| 140 | so don't print an additional pair of ()'s */ |
| 141 | |
| 142 | demangled_args = strchr(varstring, '(') != NULL; |
| 143 | c_type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
| 144 | |
| 145 | } |
| 146 | |
| 147 | /* Print the C++ method arguments ARGS to the file STREAM. */ |
| 148 | |
| 149 | void |
| 150 | cp_type_print_method_args (args, prefix, varstring, staticp, stream) |
| 151 | struct type **args; |
| 152 | char *prefix; |
| 153 | char *varstring; |
| 154 | int staticp; |
| 155 | GDB_FILE *stream; |
| 156 | { |
| 157 | int i; |
| 158 | |
| 159 | fprintf_symbol_filtered (stream, prefix, language_cplus, DMGL_ANSI); |
| 160 | fprintf_symbol_filtered (stream, varstring, language_cplus, DMGL_ANSI); |
| 161 | fputs_filtered (" (", stream); |
| 162 | if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID) |
| 163 | { |
| 164 | i = !staticp; /* skip the class variable */ |
| 165 | while (1) |
| 166 | { |
| 167 | type_print (args[i++], "", stream, 0); |
| 168 | if (!args[i]) |
| 169 | { |
| 170 | fprintf_filtered (stream, " ..."); |
| 171 | break; |
| 172 | } |
| 173 | else if (args[i]->code != TYPE_CODE_VOID) |
| 174 | { |
| 175 | fprintf_filtered (stream, ", "); |
| 176 | } |
| 177 | else break; |
| 178 | } |
| 179 | } |
| 180 | fprintf_filtered (stream, ")"); |
| 181 | } |
| 182 | |
| 183 | /* If TYPE is a derived type, then print out derivation information. |
| 184 | Print only the actual base classes of this type, not the base classes |
| 185 | of the base classes. I.E. for the derivation hierarchy: |
| 186 | |
| 187 | class A { int a; }; |
| 188 | class B : public A {int b; }; |
| 189 | class C : public B {int c; }; |
| 190 | |
| 191 | Print the type of class C as: |
| 192 | |
| 193 | class C : public B { |
| 194 | int c; |
| 195 | } |
| 196 | |
| 197 | Not as the following (like gdb used to), which is not legal C++ syntax for |
| 198 | derived types and may be confused with the multiple inheritance form: |
| 199 | |
| 200 | class C : public B : public A { |
| 201 | int c; |
| 202 | } |
| 203 | |
| 204 | In general, gdb should try to print the types as closely as possible to |
| 205 | the form that they appear in the source code. */ |
| 206 | |
| 207 | static void |
| 208 | cp_type_print_derivation_info (stream, type) |
| 209 | GDB_FILE *stream; |
| 210 | struct type *type; |
| 211 | { |
| 212 | char *name; |
| 213 | int i; |
| 214 | |
| 215 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| 216 | { |
| 217 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
| 218 | fprintf_filtered (stream, "%s%s ", |
| 219 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", |
| 220 | BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : ""); |
| 221 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); |
| 222 | fprintf_filtered (stream, "%s", name ? name : "(null)"); |
| 223 | } |
| 224 | if (i > 0) |
| 225 | { |
| 226 | fputs_filtered (" ", stream); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | /* Print any asterisks or open-parentheses needed before the |
| 231 | variable name (to describe its type). |
| 232 | |
| 233 | On outermost call, pass 0 for PASSED_A_PTR. |
| 234 | On outermost call, SHOW > 0 means should ignore |
| 235 | any typename for TYPE and show its details. |
| 236 | SHOW is always zero on recursive calls. */ |
| 237 | |
| 238 | void |
| 239 | c_type_print_varspec_prefix (type, stream, show, passed_a_ptr) |
| 240 | struct type *type; |
| 241 | GDB_FILE *stream; |
| 242 | int show; |
| 243 | int passed_a_ptr; |
| 244 | { |
| 245 | char *name; |
| 246 | if (type == 0) |
| 247 | return; |
| 248 | |
| 249 | if (TYPE_NAME (type) && show <= 0) |
| 250 | return; |
| 251 | |
| 252 | QUIT; |
| 253 | |
| 254 | switch (TYPE_CODE (type)) |
| 255 | { |
| 256 | case TYPE_CODE_PTR: |
| 257 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 258 | fprintf_filtered (stream, "*"); |
| 259 | break; |
| 260 | |
| 261 | case TYPE_CODE_MEMBER: |
| 262 | if (passed_a_ptr) |
| 263 | fprintf_filtered (stream, "("); |
| 264 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 265 | fprintf_filtered (stream, " "); |
| 266 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); |
| 267 | if (name) |
| 268 | fputs_filtered (name, stream); |
| 269 | else |
| 270 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); |
| 271 | fprintf_filtered (stream, "::"); |
| 272 | break; |
| 273 | |
| 274 | case TYPE_CODE_METHOD: |
| 275 | if (passed_a_ptr) |
| 276 | fprintf_unfiltered (stream, "("); |
| 277 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 278 | if (passed_a_ptr) |
| 279 | { |
| 280 | fprintf_filtered (stream, " "); |
| 281 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); |
| 282 | fprintf_filtered (stream, "::"); |
| 283 | } |
| 284 | break; |
| 285 | |
| 286 | case TYPE_CODE_REF: |
| 287 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 288 | fprintf_filtered (stream, "&"); |
| 289 | break; |
| 290 | |
| 291 | case TYPE_CODE_FUNC: |
| 292 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 293 | if (passed_a_ptr) |
| 294 | fprintf_filtered (stream, "("); |
| 295 | break; |
| 296 | |
| 297 | case TYPE_CODE_ARRAY: |
| 298 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
| 299 | if (passed_a_ptr) |
| 300 | fprintf_filtered (stream, "("); |
| 301 | break; |
| 302 | |
| 303 | case TYPE_CODE_UNDEF: |
| 304 | case TYPE_CODE_STRUCT: |
| 305 | case TYPE_CODE_UNION: |
| 306 | case TYPE_CODE_ENUM: |
| 307 | case TYPE_CODE_INT: |
| 308 | case TYPE_CODE_FLT: |
| 309 | case TYPE_CODE_VOID: |
| 310 | case TYPE_CODE_ERROR: |
| 311 | case TYPE_CODE_CHAR: |
| 312 | case TYPE_CODE_BOOL: |
| 313 | case TYPE_CODE_SET: |
| 314 | case TYPE_CODE_RANGE: |
| 315 | case TYPE_CODE_STRING: |
| 316 | case TYPE_CODE_BITSTRING: |
| 317 | case TYPE_CODE_COMPLEX: |
| 318 | /* These types need no prefix. They are listed here so that |
| 319 | gcc -Wall will reveal any types that haven't been handled. */ |
| 320 | break; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | static void |
| 325 | c_type_print_args (type, stream) |
| 326 | struct type *type; |
| 327 | GDB_FILE *stream; |
| 328 | { |
| 329 | int i; |
| 330 | struct type **args; |
| 331 | |
| 332 | fprintf_filtered (stream, "("); |
| 333 | args = TYPE_ARG_TYPES (type); |
| 334 | if (args != NULL) |
| 335 | { |
| 336 | if (args[1] == NULL) |
| 337 | { |
| 338 | fprintf_filtered (stream, "..."); |
| 339 | } |
| 340 | else |
| 341 | { |
| 342 | for (i = 1; |
| 343 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; |
| 344 | i++) |
| 345 | { |
| 346 | c_print_type (args[i], "", stream, -1, 0); |
| 347 | if (args[i+1] == NULL) |
| 348 | { |
| 349 | fprintf_filtered (stream, "..."); |
| 350 | } |
| 351 | else if (args[i+1]->code != TYPE_CODE_VOID) |
| 352 | { |
| 353 | fprintf_filtered (stream, ","); |
| 354 | wrap_here (" "); |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | fprintf_filtered (stream, ")"); |
| 360 | } |
| 361 | |
| 362 | /* Print any array sizes, function arguments or close parentheses |
| 363 | needed after the variable name (to describe its type). |
| 364 | Args work like c_type_print_varspec_prefix. */ |
| 365 | |
| 366 | static void |
| 367 | c_type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args) |
| 368 | struct type *type; |
| 369 | GDB_FILE *stream; |
| 370 | int show; |
| 371 | int passed_a_ptr; |
| 372 | int demangled_args; |
| 373 | { |
| 374 | if (type == 0) |
| 375 | return; |
| 376 | |
| 377 | if (TYPE_NAME (type) && show <= 0) |
| 378 | return; |
| 379 | |
| 380 | QUIT; |
| 381 | |
| 382 | switch (TYPE_CODE (type)) |
| 383 | { |
| 384 | case TYPE_CODE_ARRAY: |
| 385 | if (passed_a_ptr) |
| 386 | fprintf_filtered (stream, ")"); |
| 387 | |
| 388 | fprintf_filtered (stream, "["); |
| 389 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
| 390 | && TYPE_ARRAY_UPPER_BOUND_TYPE(type) != BOUND_CANNOT_BE_DETERMINED) |
| 391 | fprintf_filtered (stream, "%d", |
| 392 | (TYPE_LENGTH (type) |
| 393 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); |
| 394 | fprintf_filtered (stream, "]"); |
| 395 | |
| 396 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 397 | break; |
| 398 | |
| 399 | case TYPE_CODE_MEMBER: |
| 400 | if (passed_a_ptr) |
| 401 | fprintf_filtered (stream, ")"); |
| 402 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 403 | break; |
| 404 | |
| 405 | case TYPE_CODE_METHOD: |
| 406 | if (passed_a_ptr) |
| 407 | fprintf_filtered (stream, ")"); |
| 408 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 409 | if (passed_a_ptr) |
| 410 | { |
| 411 | c_type_print_args (type, stream); |
| 412 | } |
| 413 | break; |
| 414 | |
| 415 | case TYPE_CODE_PTR: |
| 416 | case TYPE_CODE_REF: |
| 417 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); |
| 418 | break; |
| 419 | |
| 420 | case TYPE_CODE_FUNC: |
| 421 | if (passed_a_ptr) |
| 422 | fprintf_filtered (stream, ")"); |
| 423 | if (!demangled_args) |
| 424 | { int i, len = TYPE_NFIELDS (type); |
| 425 | fprintf_filtered (stream, "("); |
| 426 | for (i = 0; i < len; i++) |
| 427 | { |
| 428 | if (i > 0) |
| 429 | { |
| 430 | fputs_filtered (", ", stream); |
| 431 | wrap_here (" "); |
| 432 | } |
| 433 | c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0); |
| 434 | } |
| 435 | fprintf_filtered (stream, ")"); |
| 436 | } |
| 437 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 438 | passed_a_ptr, 0); |
| 439 | break; |
| 440 | |
| 441 | case TYPE_CODE_UNDEF: |
| 442 | case TYPE_CODE_STRUCT: |
| 443 | case TYPE_CODE_UNION: |
| 444 | case TYPE_CODE_ENUM: |
| 445 | case TYPE_CODE_INT: |
| 446 | case TYPE_CODE_FLT: |
| 447 | case TYPE_CODE_VOID: |
| 448 | case TYPE_CODE_ERROR: |
| 449 | case TYPE_CODE_CHAR: |
| 450 | case TYPE_CODE_BOOL: |
| 451 | case TYPE_CODE_SET: |
| 452 | case TYPE_CODE_RANGE: |
| 453 | case TYPE_CODE_STRING: |
| 454 | case TYPE_CODE_BITSTRING: |
| 455 | case TYPE_CODE_COMPLEX: |
| 456 | /* These types do not need a suffix. They are listed so that |
| 457 | gcc -Wall will report types that may not have been considered. */ |
| 458 | break; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | /* Print the name of the type (or the ultimate pointer target, |
| 463 | function value or array element), or the description of a |
| 464 | structure or union. |
| 465 | |
| 466 | SHOW positive means print details about the type (e.g. enum values), |
| 467 | and print structure elements passing SHOW - 1 for show. |
| 468 | SHOW negative means just print the type name or struct tag if there is one. |
| 469 | If there is no name, print something sensible but concise like |
| 470 | "struct {...}". |
| 471 | SHOW zero means just print the type name or struct tag if there is one. |
| 472 | If there is no name, print something sensible but not as concise like |
| 473 | "struct {int x; int y;}". |
| 474 | |
| 475 | LEVEL is the number of spaces to indent by. |
| 476 | We increase it for some recursive calls. */ |
| 477 | |
| 478 | void |
| 479 | c_type_print_base (type, stream, show, level) |
| 480 | struct type *type; |
| 481 | GDB_FILE *stream; |
| 482 | int show; |
| 483 | int level; |
| 484 | { |
| 485 | register int i; |
| 486 | register int len; |
| 487 | register int lastval; |
| 488 | char *mangled_name; |
| 489 | char *demangled_name; |
| 490 | enum {s_none, s_public, s_private, s_protected} section_type; |
| 491 | QUIT; |
| 492 | |
| 493 | wrap_here (" "); |
| 494 | if (type == NULL) |
| 495 | { |
| 496 | fputs_filtered ("<type unknown>", stream); |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | /* When SHOW is zero or less, and there is a valid type name, then always |
| 501 | just print the type name directly from the type. */ |
| 502 | /* If we have "typedef struct foo {. . .} bar;" do we want to print it |
| 503 | as "struct foo" or as "bar"? Pick the latter, because C++ folk tend |
| 504 | to expect things like "class5 *foo" rather than "struct class5 *foo". */ |
| 505 | |
| 506 | if (show <= 0 |
| 507 | && TYPE_NAME (type) != NULL) |
| 508 | { |
| 509 | fputs_filtered (TYPE_NAME (type), stream); |
| 510 | return; |
| 511 | } |
| 512 | |
| 513 | check_stub_type (type); |
| 514 | |
| 515 | switch (TYPE_CODE (type)) |
| 516 | { |
| 517 | case TYPE_CODE_ARRAY: |
| 518 | case TYPE_CODE_PTR: |
| 519 | case TYPE_CODE_MEMBER: |
| 520 | case TYPE_CODE_REF: |
| 521 | case TYPE_CODE_FUNC: |
| 522 | case TYPE_CODE_METHOD: |
| 523 | c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 524 | break; |
| 525 | |
| 526 | case TYPE_CODE_STRUCT: |
| 527 | if (HAVE_CPLUS_STRUCT (type)) |
| 528 | { |
| 529 | fprintf_filtered (stream, "class "); |
| 530 | } |
| 531 | else |
| 532 | { |
| 533 | fprintf_filtered (stream, "struct "); |
| 534 | } |
| 535 | goto struct_union; |
| 536 | |
| 537 | case TYPE_CODE_UNION: |
| 538 | fprintf_filtered (stream, "union "); |
| 539 | |
| 540 | struct_union: |
| 541 | if (TYPE_TAG_NAME (type) != NULL) |
| 542 | { |
| 543 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 544 | if (show > 0) |
| 545 | fputs_filtered (" ", stream); |
| 546 | } |
| 547 | wrap_here (" "); |
| 548 | if (show < 0) |
| 549 | { |
| 550 | /* If we just printed a tag name, no need to print anything else. */ |
| 551 | if (TYPE_TAG_NAME (type) == NULL) |
| 552 | fprintf_filtered (stream, "{...}"); |
| 553 | } |
| 554 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 555 | { |
| 556 | cp_type_print_derivation_info (stream, type); |
| 557 | |
| 558 | fprintf_filtered (stream, "{\n"); |
| 559 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) |
| 560 | { |
| 561 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) |
| 562 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); |
| 563 | else |
| 564 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); |
| 565 | } |
| 566 | |
| 567 | /* Start off with no specific section type, so we can print |
| 568 | one for the first field we find, and use that section type |
| 569 | thereafter until we find another type. */ |
| 570 | |
| 571 | section_type = s_none; |
| 572 | |
| 573 | /* If there is a base class for this type, |
| 574 | do not print the field that it occupies. */ |
| 575 | |
| 576 | len = TYPE_NFIELDS (type); |
| 577 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 578 | { |
| 579 | QUIT; |
| 580 | /* Don't print out virtual function table. */ |
| 581 | if ((TYPE_FIELD_NAME (type, i))[5] == CPLUS_MARKER && |
| 582 | !strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5)) |
| 583 | continue; |
| 584 | |
| 585 | /* If this is a C++ class we can print the various C++ section |
| 586 | labels. */ |
| 587 | |
| 588 | if (HAVE_CPLUS_STRUCT (type)) |
| 589 | { |
| 590 | if (TYPE_FIELD_PROTECTED (type, i)) |
| 591 | { |
| 592 | if (section_type != s_protected) |
| 593 | { |
| 594 | section_type = s_protected; |
| 595 | fprintfi_filtered (level + 2, stream, |
| 596 | "protected:\n"); |
| 597 | } |
| 598 | } |
| 599 | else if (TYPE_FIELD_PRIVATE (type, i)) |
| 600 | { |
| 601 | if (section_type != s_private) |
| 602 | { |
| 603 | section_type = s_private; |
| 604 | fprintfi_filtered (level + 2, stream, "private:\n"); |
| 605 | } |
| 606 | } |
| 607 | else |
| 608 | { |
| 609 | if (section_type != s_public) |
| 610 | { |
| 611 | section_type = s_public; |
| 612 | fprintfi_filtered (level + 2, stream, "public:\n"); |
| 613 | } |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | print_spaces_filtered (level + 4, stream); |
| 618 | if (TYPE_FIELD_STATIC (type, i)) |
| 619 | { |
| 620 | fprintf_filtered (stream, "static "); |
| 621 | } |
| 622 | c_print_type (TYPE_FIELD_TYPE (type, i), |
| 623 | TYPE_FIELD_NAME (type, i), |
| 624 | stream, show - 1, level + 4); |
| 625 | if (!TYPE_FIELD_STATIC (type, i) |
| 626 | && TYPE_FIELD_PACKED (type, i)) |
| 627 | { |
| 628 | /* It is a bitfield. This code does not attempt |
| 629 | to look at the bitpos and reconstruct filler, |
| 630 | unnamed fields. This would lead to misleading |
| 631 | results if the compiler does not put out fields |
| 632 | for such things (I don't know what it does). */ |
| 633 | fprintf_filtered (stream, " : %d", |
| 634 | TYPE_FIELD_BITSIZE (type, i)); |
| 635 | } |
| 636 | fprintf_filtered (stream, ";\n"); |
| 637 | } |
| 638 | |
| 639 | /* If there are both fields and methods, put a space between. */ |
| 640 | len = TYPE_NFN_FIELDS (type); |
| 641 | if (len && section_type != s_none) |
| 642 | fprintf_filtered (stream, "\n"); |
| 643 | |
| 644 | /* C++: print out the methods */ |
| 645 | |
| 646 | for (i = 0; i < len; i++) |
| 647 | { |
| 648 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 649 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 650 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 651 | char *name = type_name_no_tag (type); |
| 652 | int is_constructor = name && STREQ(method_name, name); |
| 653 | for (j = 0; j < len2; j++) |
| 654 | { |
| 655 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
| 656 | int is_full_physname_constructor = |
| 657 | ((physname[0]=='_' && physname[1]=='_' && |
| 658 | (isdigit(physname[2]) |
| 659 | || physname[2]=='Q' |
| 660 | || physname[2]=='t')) |
| 661 | || (strncmp(physname, "__ct__", 6) == 0)); |
| 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_VIRTUAL_P (f, j)) |
| 692 | fprintf_filtered (stream, "virtual "); |
| 693 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| 694 | fprintf_filtered (stream, "static "); |
| 695 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
| 696 | { |
| 697 | /* Keep GDB from crashing here. */ |
| 698 | fprintf_unfiltered (stream, "<undefined type> %s;\n", |
| 699 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
| 700 | break; |
| 701 | } |
| 702 | else if (!is_constructor && !is_full_physname_constructor) |
| 703 | { |
| 704 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), |
| 705 | "", stream, -1); |
| 706 | fputs_filtered (" ", stream); |
| 707 | } |
| 708 | if (TYPE_FN_FIELD_STUB (f, j)) |
| 709 | { |
| 710 | /* Build something we can demangle. */ |
| 711 | mangled_name = gdb_mangle_name (type, i, j); |
| 712 | demangled_name = |
| 713 | cplus_demangle (mangled_name, |
| 714 | DMGL_ANSI | DMGL_PARAMS); |
| 715 | if (demangled_name == NULL) |
| 716 | fprintf_filtered (stream, "<badly mangled name %s>", |
| 717 | mangled_name); |
| 718 | else |
| 719 | { |
| 720 | char *demangled_no_class = |
| 721 | strchr (demangled_name, ':'); |
| 722 | |
| 723 | if (demangled_no_class == NULL) |
| 724 | demangled_no_class = demangled_name; |
| 725 | else |
| 726 | { |
| 727 | if (*++demangled_no_class == ':') |
| 728 | ++demangled_no_class; |
| 729 | } |
| 730 | fputs_filtered (demangled_no_class, stream); |
| 731 | free (demangled_name); |
| 732 | } |
| 733 | free (mangled_name); |
| 734 | } |
| 735 | else if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' |
| 736 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER) |
| 737 | cp_type_print_method_args (TYPE_FN_FIELD_ARGS (f, j) + 1, |
| 738 | "~", method_name, 0, stream); |
| 739 | else |
| 740 | cp_type_print_method_args (TYPE_FN_FIELD_ARGS (f, j), "", |
| 741 | method_name, |
| 742 | TYPE_FN_FIELD_STATIC_P (f, j), |
| 743 | stream); |
| 744 | |
| 745 | fprintf_filtered (stream, ";\n"); |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | fprintfi_filtered (level, stream, "}"); |
| 750 | } |
| 751 | break; |
| 752 | |
| 753 | case TYPE_CODE_ENUM: |
| 754 | fprintf_filtered (stream, "enum "); |
| 755 | if (TYPE_TAG_NAME (type) != NULL) |
| 756 | { |
| 757 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 758 | if (show > 0) |
| 759 | fputs_filtered (" ", stream); |
| 760 | } |
| 761 | |
| 762 | wrap_here (" "); |
| 763 | if (show < 0) |
| 764 | { |
| 765 | /* If we just printed a tag name, no need to print anything else. */ |
| 766 | if (TYPE_TAG_NAME (type) == NULL) |
| 767 | fprintf_filtered (stream, "{...}"); |
| 768 | } |
| 769 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 770 | { |
| 771 | fprintf_filtered (stream, "{"); |
| 772 | len = TYPE_NFIELDS (type); |
| 773 | lastval = 0; |
| 774 | for (i = 0; i < len; i++) |
| 775 | { |
| 776 | QUIT; |
| 777 | if (i) fprintf_filtered (stream, ", "); |
| 778 | wrap_here (" "); |
| 779 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 780 | if (lastval != TYPE_FIELD_BITPOS (type, i)) |
| 781 | { |
| 782 | fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i)); |
| 783 | lastval = TYPE_FIELD_BITPOS (type, i); |
| 784 | } |
| 785 | lastval++; |
| 786 | } |
| 787 | fprintf_filtered (stream, "}"); |
| 788 | } |
| 789 | break; |
| 790 | |
| 791 | case TYPE_CODE_VOID: |
| 792 | fprintf_filtered (stream, "void"); |
| 793 | break; |
| 794 | |
| 795 | case TYPE_CODE_UNDEF: |
| 796 | fprintf_filtered (stream, "struct <unknown>"); |
| 797 | break; |
| 798 | |
| 799 | case TYPE_CODE_ERROR: |
| 800 | fprintf_filtered (stream, "<unknown type>"); |
| 801 | break; |
| 802 | |
| 803 | case TYPE_CODE_RANGE: |
| 804 | /* This should not occur */ |
| 805 | fprintf_filtered (stream, "<range type>"); |
| 806 | break; |
| 807 | |
| 808 | default: |
| 809 | /* Handle types not explicitly handled by the other cases, |
| 810 | such as fundamental types. For these, just print whatever |
| 811 | the type name is, as recorded in the type itself. If there |
| 812 | is no type name, then complain. */ |
| 813 | if (TYPE_NAME (type) != NULL) |
| 814 | { |
| 815 | fputs_filtered (TYPE_NAME (type), stream); |
| 816 | } |
| 817 | else |
| 818 | { |
| 819 | /* At least for dump_symtab, it is important that this not be |
| 820 | an error (). */ |
| 821 | fprintf_filtered (stream, "<invalid type code %d>", |
| 822 | TYPE_CODE (type)); |
| 823 | } |
| 824 | break; |
| 825 | } |
| 826 | } |
| 827 | |