| 1 | /* Support for printing C and C++ types for GDB, the GNU debugger. |
| 2 | Copyright (C) 1986-2017 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 "target.h" |
| 28 | #include "language.h" |
| 29 | #include "demangle.h" |
| 30 | #include "c-lang.h" |
| 31 | #include "typeprint.h" |
| 32 | #include "cp-abi.h" |
| 33 | #include "cp-support.h" |
| 34 | |
| 35 | static void c_type_print_varspec_prefix (struct type *, |
| 36 | struct ui_file *, |
| 37 | int, int, int, |
| 38 | const struct type_print_options *); |
| 39 | |
| 40 | /* Print "const", "volatile", or address space modifiers. */ |
| 41 | static void c_type_print_modifier (struct type *, |
| 42 | struct ui_file *, |
| 43 | int, int); |
| 44 | \f |
| 45 | |
| 46 | /* A callback function for cp_canonicalize_string_full that uses |
| 47 | find_typedef_in_hash. */ |
| 48 | |
| 49 | static const char * |
| 50 | find_typedef_for_canonicalize (struct type *t, void *data) |
| 51 | { |
| 52 | return find_typedef_in_hash ((const struct type_print_options *) data, t); |
| 53 | } |
| 54 | |
| 55 | /* Print NAME on STREAM. If the 'raw' field of FLAGS is not set, |
| 56 | canonicalize NAME using the local typedefs first. */ |
| 57 | |
| 58 | static void |
| 59 | print_name_maybe_canonical (const char *name, |
| 60 | const struct type_print_options *flags, |
| 61 | struct ui_file *stream) |
| 62 | { |
| 63 | std::string s; |
| 64 | |
| 65 | if (!flags->raw) |
| 66 | s = cp_canonicalize_string_full (name, |
| 67 | find_typedef_for_canonicalize, |
| 68 | (void *) flags); |
| 69 | |
| 70 | fputs_filtered (!s.empty () ? s.c_str () : name, stream); |
| 71 | } |
| 72 | |
| 73 | \f |
| 74 | |
| 75 | /* LEVEL is the depth to indent lines by. */ |
| 76 | |
| 77 | void |
| 78 | c_print_type (struct type *type, |
| 79 | const char *varstring, |
| 80 | struct ui_file *stream, |
| 81 | int show, int level, |
| 82 | const struct type_print_options *flags) |
| 83 | { |
| 84 | enum type_code code; |
| 85 | int demangled_args; |
| 86 | int need_post_space; |
| 87 | const char *local_name; |
| 88 | |
| 89 | if (show > 0) |
| 90 | type = check_typedef (type); |
| 91 | |
| 92 | local_name = find_typedef_in_hash (flags, type); |
| 93 | if (local_name != NULL) |
| 94 | { |
| 95 | fputs_filtered (local_name, stream); |
| 96 | if (varstring != NULL && *varstring != '\0') |
| 97 | fputs_filtered (" ", stream); |
| 98 | } |
| 99 | else |
| 100 | { |
| 101 | c_type_print_base (type, stream, show, level, flags); |
| 102 | code = TYPE_CODE (type); |
| 103 | if ((varstring != NULL && *varstring != '\0') |
| 104 | /* Need a space if going to print stars or brackets; |
| 105 | but not if we will print just a type name. */ |
| 106 | || ((show > 0 || TYPE_NAME (type) == 0) |
| 107 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC |
| 108 | || code == TYPE_CODE_METHOD |
| 109 | || (code == TYPE_CODE_ARRAY |
| 110 | && !TYPE_VECTOR (type)) |
| 111 | || code == TYPE_CODE_MEMBERPTR |
| 112 | || code == TYPE_CODE_METHODPTR |
| 113 | || TYPE_IS_REFERENCE (type)))) |
| 114 | fputs_filtered (" ", stream); |
| 115 | need_post_space = (varstring != NULL && strcmp (varstring, "") != 0); |
| 116 | c_type_print_varspec_prefix (type, stream, show, 0, need_post_space, |
| 117 | flags); |
| 118 | } |
| 119 | |
| 120 | if (varstring != NULL) |
| 121 | { |
| 122 | fputs_filtered (varstring, stream); |
| 123 | |
| 124 | /* For demangled function names, we have the arglist as part of |
| 125 | the name, so don't print an additional pair of ()'s. */ |
| 126 | if (local_name == NULL) |
| 127 | { |
| 128 | demangled_args = strchr (varstring, '(') != NULL; |
| 129 | c_type_print_varspec_suffix (type, stream, show, |
| 130 | 0, demangled_args, |
| 131 | flags); |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | /* Print a typedef using C syntax. TYPE is the underlying type. |
| 137 | NEW_SYMBOL is the symbol naming the type. STREAM is the stream on |
| 138 | which to print. */ |
| 139 | |
| 140 | void |
| 141 | c_print_typedef (struct type *type, |
| 142 | struct symbol *new_symbol, |
| 143 | struct ui_file *stream) |
| 144 | { |
| 145 | type = check_typedef (type); |
| 146 | fprintf_filtered (stream, "typedef "); |
| 147 | type_print (type, "", stream, 0); |
| 148 | if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0 |
| 149 | || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))), |
| 150 | SYMBOL_LINKAGE_NAME (new_symbol)) != 0 |
| 151 | || TYPE_CODE (SYMBOL_TYPE (new_symbol)) == TYPE_CODE_TYPEDEF) |
| 152 | fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol)); |
| 153 | fprintf_filtered (stream, ";\n"); |
| 154 | } |
| 155 | |
| 156 | /* If TYPE is a derived type, then print out derivation information. |
| 157 | Print only the actual base classes of this type, not the base |
| 158 | classes of the base classes. I.e. for the derivation hierarchy: |
| 159 | |
| 160 | class A { int a; }; |
| 161 | class B : public A {int b; }; |
| 162 | class C : public B {int c; }; |
| 163 | |
| 164 | Print the type of class C as: |
| 165 | |
| 166 | class C : public B { |
| 167 | int c; |
| 168 | } |
| 169 | |
| 170 | Not as the following (like gdb used to), which is not legal C++ |
| 171 | syntax for derived types and may be confused with the multiple |
| 172 | inheritance form: |
| 173 | |
| 174 | class C : public B : public A { |
| 175 | int c; |
| 176 | } |
| 177 | |
| 178 | In general, gdb should try to print the types as closely as |
| 179 | possible to the form that they appear in the source code. */ |
| 180 | |
| 181 | static void |
| 182 | cp_type_print_derivation_info (struct ui_file *stream, |
| 183 | struct type *type, |
| 184 | const struct type_print_options *flags) |
| 185 | { |
| 186 | const char *name; |
| 187 | int i; |
| 188 | |
| 189 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| 190 | { |
| 191 | wrap_here (" "); |
| 192 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
| 193 | fprintf_filtered (stream, "%s%s ", |
| 194 | BASETYPE_VIA_PUBLIC (type, i) |
| 195 | ? "public" : (TYPE_FIELD_PROTECTED (type, i) |
| 196 | ? "protected" : "private"), |
| 197 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
| 198 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); |
| 199 | if (name) |
| 200 | print_name_maybe_canonical (name, flags, stream); |
| 201 | else |
| 202 | fprintf_filtered (stream, "(null)"); |
| 203 | } |
| 204 | if (i > 0) |
| 205 | { |
| 206 | fputs_filtered (" ", stream); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | /* Print the C++ method arguments ARGS to the file STREAM. */ |
| 211 | |
| 212 | static void |
| 213 | cp_type_print_method_args (struct type *mtype, const char *prefix, |
| 214 | const char *varstring, int staticp, |
| 215 | struct ui_file *stream, |
| 216 | const struct type_print_options *flags) |
| 217 | { |
| 218 | struct field *args = TYPE_FIELDS (mtype); |
| 219 | int nargs = TYPE_NFIELDS (mtype); |
| 220 | int varargs = TYPE_VARARGS (mtype); |
| 221 | int i; |
| 222 | |
| 223 | fprintf_symbol_filtered (stream, prefix, |
| 224 | language_cplus, DMGL_ANSI); |
| 225 | fprintf_symbol_filtered (stream, varstring, |
| 226 | language_cplus, DMGL_ANSI); |
| 227 | fputs_filtered ("(", stream); |
| 228 | |
| 229 | /* Skip the class variable. We keep this here to accommodate older |
| 230 | compilers and debug formats which may not support artificial |
| 231 | parameters. */ |
| 232 | i = staticp ? 0 : 1; |
| 233 | if (nargs > i) |
| 234 | { |
| 235 | while (i < nargs) |
| 236 | { |
| 237 | struct field arg = args[i++]; |
| 238 | |
| 239 | /* Skip any artificial arguments. */ |
| 240 | if (FIELD_ARTIFICIAL (arg)) |
| 241 | continue; |
| 242 | |
| 243 | c_print_type (arg.type, "", stream, 0, 0, flags); |
| 244 | |
| 245 | if (i == nargs && varargs) |
| 246 | fprintf_filtered (stream, ", ..."); |
| 247 | else if (i < nargs) |
| 248 | { |
| 249 | fprintf_filtered (stream, ", "); |
| 250 | wrap_here (" "); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | else if (varargs) |
| 255 | fprintf_filtered (stream, "..."); |
| 256 | else if (current_language->la_language == language_cplus) |
| 257 | fprintf_filtered (stream, "void"); |
| 258 | |
| 259 | fprintf_filtered (stream, ")"); |
| 260 | |
| 261 | /* For non-static methods, read qualifiers from the type of |
| 262 | THIS. */ |
| 263 | if (!staticp) |
| 264 | { |
| 265 | struct type *domain; |
| 266 | |
| 267 | gdb_assert (nargs > 0); |
| 268 | gdb_assert (TYPE_CODE (args[0].type) == TYPE_CODE_PTR); |
| 269 | domain = TYPE_TARGET_TYPE (args[0].type); |
| 270 | |
| 271 | if (TYPE_CONST (domain)) |
| 272 | fprintf_filtered (stream, " const"); |
| 273 | |
| 274 | if (TYPE_VOLATILE (domain)) |
| 275 | fprintf_filtered (stream, " volatile"); |
| 276 | |
| 277 | if (TYPE_RESTRICT (domain)) |
| 278 | fprintf_filtered (stream, " restrict"); |
| 279 | |
| 280 | if (TYPE_ATOMIC (domain)) |
| 281 | fprintf_filtered (stream, " _Atomic"); |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | |
| 286 | /* Print any asterisks or open-parentheses needed before the |
| 287 | variable name (to describe its type). |
| 288 | |
| 289 | On outermost call, pass 0 for PASSED_A_PTR. |
| 290 | On outermost call, SHOW > 0 means should ignore |
| 291 | any typename for TYPE and show its details. |
| 292 | SHOW is always zero on recursive calls. |
| 293 | |
| 294 | NEED_POST_SPACE is non-zero when a space will be be needed |
| 295 | between a trailing qualifier and a field, variable, or function |
| 296 | name. */ |
| 297 | |
| 298 | static void |
| 299 | c_type_print_varspec_prefix (struct type *type, |
| 300 | struct ui_file *stream, |
| 301 | int show, int passed_a_ptr, |
| 302 | int need_post_space, |
| 303 | const struct type_print_options *flags) |
| 304 | { |
| 305 | const char *name; |
| 306 | |
| 307 | if (type == 0) |
| 308 | return; |
| 309 | |
| 310 | if (TYPE_NAME (type) && show <= 0) |
| 311 | return; |
| 312 | |
| 313 | QUIT; |
| 314 | |
| 315 | switch (TYPE_CODE (type)) |
| 316 | { |
| 317 | case TYPE_CODE_PTR: |
| 318 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 319 | stream, show, 1, 1, flags); |
| 320 | fprintf_filtered (stream, "*"); |
| 321 | c_type_print_modifier (type, stream, 1, need_post_space); |
| 322 | break; |
| 323 | |
| 324 | case TYPE_CODE_MEMBERPTR: |
| 325 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 326 | stream, show, 0, 0, flags); |
| 327 | name = type_name_no_tag (TYPE_SELF_TYPE (type)); |
| 328 | if (name) |
| 329 | print_name_maybe_canonical (name, flags, stream); |
| 330 | else |
| 331 | c_type_print_base (TYPE_SELF_TYPE (type), |
| 332 | stream, -1, passed_a_ptr, flags); |
| 333 | fprintf_filtered (stream, "::*"); |
| 334 | break; |
| 335 | |
| 336 | case TYPE_CODE_METHODPTR: |
| 337 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 338 | stream, show, 0, 0, flags); |
| 339 | fprintf_filtered (stream, "("); |
| 340 | name = type_name_no_tag (TYPE_SELF_TYPE (type)); |
| 341 | if (name) |
| 342 | print_name_maybe_canonical (name, flags, stream); |
| 343 | else |
| 344 | c_type_print_base (TYPE_SELF_TYPE (type), |
| 345 | stream, -1, passed_a_ptr, flags); |
| 346 | fprintf_filtered (stream, "::*"); |
| 347 | break; |
| 348 | |
| 349 | case TYPE_CODE_REF: |
| 350 | case TYPE_CODE_RVALUE_REF: |
| 351 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 352 | stream, show, 1, 0, flags); |
| 353 | fprintf_filtered (stream, TYPE_CODE(type) == TYPE_CODE_REF ? "&" : "&&"); |
| 354 | c_type_print_modifier (type, stream, 1, need_post_space); |
| 355 | break; |
| 356 | |
| 357 | case TYPE_CODE_METHOD: |
| 358 | case TYPE_CODE_FUNC: |
| 359 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 360 | stream, show, 0, 0, flags); |
| 361 | if (passed_a_ptr) |
| 362 | fprintf_filtered (stream, "("); |
| 363 | break; |
| 364 | |
| 365 | case TYPE_CODE_ARRAY: |
| 366 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 367 | stream, show, 0, 0, flags); |
| 368 | if (passed_a_ptr) |
| 369 | fprintf_filtered (stream, "("); |
| 370 | break; |
| 371 | |
| 372 | case TYPE_CODE_TYPEDEF: |
| 373 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
| 374 | stream, show, passed_a_ptr, 0, flags); |
| 375 | break; |
| 376 | |
| 377 | case TYPE_CODE_UNDEF: |
| 378 | case TYPE_CODE_STRUCT: |
| 379 | case TYPE_CODE_UNION: |
| 380 | case TYPE_CODE_ENUM: |
| 381 | case TYPE_CODE_FLAGS: |
| 382 | case TYPE_CODE_INT: |
| 383 | case TYPE_CODE_FLT: |
| 384 | case TYPE_CODE_VOID: |
| 385 | case TYPE_CODE_ERROR: |
| 386 | case TYPE_CODE_CHAR: |
| 387 | case TYPE_CODE_BOOL: |
| 388 | case TYPE_CODE_SET: |
| 389 | case TYPE_CODE_RANGE: |
| 390 | case TYPE_CODE_STRING: |
| 391 | case TYPE_CODE_COMPLEX: |
| 392 | case TYPE_CODE_NAMESPACE: |
| 393 | case TYPE_CODE_DECFLOAT: |
| 394 | /* These types need no prefix. They are listed here so that |
| 395 | gcc -Wall will reveal any types that haven't been handled. */ |
| 396 | break; |
| 397 | default: |
| 398 | error (_("type not handled in c_type_print_varspec_prefix()")); |
| 399 | break; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | /* Print out "const" and "volatile" attributes, |
| 404 | and address space id if present. |
| 405 | TYPE is a pointer to the type being printed out. |
| 406 | STREAM is the output destination. |
| 407 | NEED_PRE_SPACE = 1 indicates an initial white space is needed. |
| 408 | NEED_POST_SPACE = 1 indicates a final white space is needed. */ |
| 409 | |
| 410 | static void |
| 411 | c_type_print_modifier (struct type *type, struct ui_file *stream, |
| 412 | int need_pre_space, int need_post_space) |
| 413 | { |
| 414 | int did_print_modifier = 0; |
| 415 | const char *address_space_id; |
| 416 | |
| 417 | /* We don't print `const' qualifiers for references --- since all |
| 418 | operators affect the thing referenced, not the reference itself, |
| 419 | every reference is `const'. */ |
| 420 | if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type)) |
| 421 | { |
| 422 | if (need_pre_space) |
| 423 | fprintf_filtered (stream, " "); |
| 424 | fprintf_filtered (stream, "const"); |
| 425 | did_print_modifier = 1; |
| 426 | } |
| 427 | |
| 428 | if (TYPE_VOLATILE (type)) |
| 429 | { |
| 430 | if (did_print_modifier || need_pre_space) |
| 431 | fprintf_filtered (stream, " "); |
| 432 | fprintf_filtered (stream, "volatile"); |
| 433 | did_print_modifier = 1; |
| 434 | } |
| 435 | |
| 436 | if (TYPE_RESTRICT (type)) |
| 437 | { |
| 438 | if (did_print_modifier || need_pre_space) |
| 439 | fprintf_filtered (stream, " "); |
| 440 | fprintf_filtered (stream, "restrict"); |
| 441 | did_print_modifier = 1; |
| 442 | } |
| 443 | |
| 444 | if (TYPE_ATOMIC (type)) |
| 445 | { |
| 446 | if (did_print_modifier || need_pre_space) |
| 447 | fprintf_filtered (stream, " "); |
| 448 | fprintf_filtered (stream, "_Atomic"); |
| 449 | did_print_modifier = 1; |
| 450 | } |
| 451 | |
| 452 | address_space_id = address_space_int_to_name (get_type_arch (type), |
| 453 | TYPE_INSTANCE_FLAGS (type)); |
| 454 | if (address_space_id) |
| 455 | { |
| 456 | if (did_print_modifier || need_pre_space) |
| 457 | fprintf_filtered (stream, " "); |
| 458 | fprintf_filtered (stream, "@%s", address_space_id); |
| 459 | did_print_modifier = 1; |
| 460 | } |
| 461 | |
| 462 | if (did_print_modifier && need_post_space) |
| 463 | fprintf_filtered (stream, " "); |
| 464 | } |
| 465 | |
| 466 | |
| 467 | /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD |
| 468 | or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this" |
| 469 | in non-static methods, are displayed if LINKAGE_NAME is zero. If |
| 470 | LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost |
| 471 | parameter types get removed their possible const and volatile qualifiers to |
| 472 | match demangled linkage name parameters part of such function type. |
| 473 | LANGUAGE is the language in which TYPE was defined. This is a necessary |
| 474 | evil since this code is used by the C and C++. */ |
| 475 | |
| 476 | void |
| 477 | c_type_print_args (struct type *type, struct ui_file *stream, |
| 478 | int linkage_name, enum language language, |
| 479 | const struct type_print_options *flags) |
| 480 | { |
| 481 | int i; |
| 482 | int printed_any = 0; |
| 483 | |
| 484 | fprintf_filtered (stream, "("); |
| 485 | |
| 486 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
| 487 | { |
| 488 | struct type *param_type; |
| 489 | |
| 490 | if (TYPE_FIELD_ARTIFICIAL (type, i) && linkage_name) |
| 491 | continue; |
| 492 | |
| 493 | if (printed_any) |
| 494 | { |
| 495 | fprintf_filtered (stream, ", "); |
| 496 | wrap_here (" "); |
| 497 | } |
| 498 | |
| 499 | param_type = TYPE_FIELD_TYPE (type, i); |
| 500 | |
| 501 | if (language == language_cplus && linkage_name) |
| 502 | { |
| 503 | /* C++ standard, 13.1 Overloadable declarations, point 3, item: |
| 504 | - Parameter declarations that differ only in the presence or |
| 505 | absence of const and/or volatile are equivalent. |
| 506 | |
| 507 | And the const/volatile qualifiers are not present in the mangled |
| 508 | names as produced by GCC. */ |
| 509 | |
| 510 | param_type = make_cv_type (0, 0, param_type, NULL); |
| 511 | } |
| 512 | |
| 513 | c_print_type (param_type, "", stream, -1, 0, flags); |
| 514 | printed_any = 1; |
| 515 | } |
| 516 | |
| 517 | if (printed_any && TYPE_VARARGS (type)) |
| 518 | { |
| 519 | /* Print out a trailing ellipsis for varargs functions. Ignore |
| 520 | TYPE_VARARGS if the function has no named arguments; that |
| 521 | represents unprototyped (K&R style) C functions. */ |
| 522 | if (printed_any && TYPE_VARARGS (type)) |
| 523 | { |
| 524 | fprintf_filtered (stream, ", "); |
| 525 | wrap_here (" "); |
| 526 | fprintf_filtered (stream, "..."); |
| 527 | } |
| 528 | } |
| 529 | else if (!printed_any |
| 530 | && (TYPE_PROTOTYPED (type) || language == language_cplus)) |
| 531 | fprintf_filtered (stream, "void"); |
| 532 | |
| 533 | fprintf_filtered (stream, ")"); |
| 534 | } |
| 535 | |
| 536 | /* Return true iff the j'th overloading of the i'th method of TYPE |
| 537 | is a type conversion operator, like `operator int () { ... }'. |
| 538 | When listing a class's methods, we don't print the return type of |
| 539 | such operators. */ |
| 540 | |
| 541 | static int |
| 542 | is_type_conversion_operator (struct type *type, int i, int j) |
| 543 | { |
| 544 | /* I think the whole idea of recognizing type conversion operators |
| 545 | by their name is pretty terrible. But I don't think our present |
| 546 | data structure gives us any other way to tell. If you know of |
| 547 | some other way, feel free to rewrite this function. */ |
| 548 | const char *name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 549 | |
| 550 | if (!startswith (name, CP_OPERATOR_STR)) |
| 551 | return 0; |
| 552 | |
| 553 | name += 8; |
| 554 | if (! strchr (" \t\f\n\r", *name)) |
| 555 | return 0; |
| 556 | |
| 557 | while (strchr (" \t\f\n\r", *name)) |
| 558 | name++; |
| 559 | |
| 560 | if (!('a' <= *name && *name <= 'z') |
| 561 | && !('A' <= *name && *name <= 'Z') |
| 562 | && *name != '_') |
| 563 | /* If this doesn't look like the start of an identifier, then it |
| 564 | isn't a type conversion operator. */ |
| 565 | return 0; |
| 566 | else if (startswith (name, "new")) |
| 567 | name += 3; |
| 568 | else if (startswith (name, "delete")) |
| 569 | name += 6; |
| 570 | else |
| 571 | /* If it doesn't look like new or delete, it's a type conversion |
| 572 | operator. */ |
| 573 | return 1; |
| 574 | |
| 575 | /* Is that really the end of the name? */ |
| 576 | if (('a' <= *name && *name <= 'z') |
| 577 | || ('A' <= *name && *name <= 'Z') |
| 578 | || ('0' <= *name && *name <= '9') |
| 579 | || *name == '_') |
| 580 | /* No, so the identifier following "operator" must be a type name, |
| 581 | and this is a type conversion operator. */ |
| 582 | return 1; |
| 583 | |
| 584 | /* That was indeed the end of the name, so it was `operator new' or |
| 585 | `operator delete', neither of which are type conversion |
| 586 | operators. */ |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | /* Given a C++ qualified identifier QID, strip off the qualifiers, |
| 591 | yielding the unqualified name. The return value is a pointer into |
| 592 | the original string. |
| 593 | |
| 594 | It's a pity we don't have this information in some more structured |
| 595 | form. Even the author of this function feels that writing little |
| 596 | parsers like this everywhere is stupid. */ |
| 597 | |
| 598 | static char * |
| 599 | remove_qualifiers (char *qid) |
| 600 | { |
| 601 | int quoted = 0; /* Zero if we're not in quotes; |
| 602 | '"' if we're in a double-quoted string; |
| 603 | '\'' if we're in a single-quoted string. */ |
| 604 | int depth = 0; /* Number of unclosed parens we've seen. */ |
| 605 | char *parenstack = (char *) alloca (strlen (qid)); |
| 606 | char *scan; |
| 607 | char *last = 0; /* The character after the rightmost |
| 608 | `::' token we've seen so far. */ |
| 609 | |
| 610 | for (scan = qid; *scan; scan++) |
| 611 | { |
| 612 | if (quoted) |
| 613 | { |
| 614 | if (*scan == quoted) |
| 615 | quoted = 0; |
| 616 | else if (*scan == '\\' && *(scan + 1)) |
| 617 | scan++; |
| 618 | } |
| 619 | else if (scan[0] == ':' && scan[1] == ':') |
| 620 | { |
| 621 | /* If we're inside parenthesis (i.e., an argument list) or |
| 622 | angle brackets (i.e., a list of template arguments), then |
| 623 | we don't record the position of this :: token, since it's |
| 624 | not relevant to the top-level structure we're trying to |
| 625 | operate on. */ |
| 626 | if (depth == 0) |
| 627 | { |
| 628 | last = scan + 2; |
| 629 | scan++; |
| 630 | } |
| 631 | } |
| 632 | else if (*scan == '"' || *scan == '\'') |
| 633 | quoted = *scan; |
| 634 | else if (*scan == '(') |
| 635 | parenstack[depth++] = ')'; |
| 636 | else if (*scan == '[') |
| 637 | parenstack[depth++] = ']'; |
| 638 | /* We're going to treat <> as a pair of matching characters, |
| 639 | since we're more likely to see those in template id's than |
| 640 | real less-than characters. What a crock. */ |
| 641 | else if (*scan == '<') |
| 642 | parenstack[depth++] = '>'; |
| 643 | else if (*scan == ')' || *scan == ']' || *scan == '>') |
| 644 | { |
| 645 | if (depth > 0 && parenstack[depth - 1] == *scan) |
| 646 | depth--; |
| 647 | else |
| 648 | { |
| 649 | /* We're going to do a little error recovery here. If |
| 650 | we don't find a match for *scan on the paren stack, |
| 651 | but there is something lower on the stack that does |
| 652 | match, we pop the stack to that point. */ |
| 653 | int i; |
| 654 | |
| 655 | for (i = depth - 1; i >= 0; i--) |
| 656 | if (parenstack[i] == *scan) |
| 657 | { |
| 658 | depth = i; |
| 659 | break; |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | if (last) |
| 666 | return last; |
| 667 | else |
| 668 | /* We didn't find any :: tokens at the top level, so declare the |
| 669 | whole thing an unqualified identifier. */ |
| 670 | return qid; |
| 671 | } |
| 672 | |
| 673 | /* Print any array sizes, function arguments or close parentheses |
| 674 | needed after the variable name (to describe its type). |
| 675 | Args work like c_type_print_varspec_prefix. */ |
| 676 | |
| 677 | void |
| 678 | c_type_print_varspec_suffix (struct type *type, |
| 679 | struct ui_file *stream, |
| 680 | int show, int passed_a_ptr, |
| 681 | int demangled_args, |
| 682 | const struct type_print_options *flags) |
| 683 | { |
| 684 | if (type == 0) |
| 685 | return; |
| 686 | |
| 687 | if (TYPE_NAME (type) && show <= 0) |
| 688 | return; |
| 689 | |
| 690 | QUIT; |
| 691 | |
| 692 | switch (TYPE_CODE (type)) |
| 693 | { |
| 694 | case TYPE_CODE_ARRAY: |
| 695 | { |
| 696 | LONGEST low_bound, high_bound; |
| 697 | int is_vector = TYPE_VECTOR (type); |
| 698 | |
| 699 | if (passed_a_ptr) |
| 700 | fprintf_filtered (stream, ")"); |
| 701 | |
| 702 | fprintf_filtered (stream, (is_vector ? |
| 703 | " __attribute__ ((vector_size(" : "[")); |
| 704 | /* Bounds are not yet resolved, print a bounds placeholder instead. */ |
| 705 | if (TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCEXPR |
| 706 | || TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCLIST) |
| 707 | fprintf_filtered (stream, "variable length"); |
| 708 | else if (get_array_bounds (type, &low_bound, &high_bound)) |
| 709 | fprintf_filtered (stream, "%s", |
| 710 | plongest (high_bound - low_bound + 1)); |
| 711 | fprintf_filtered (stream, (is_vector ? ")))" : "]")); |
| 712 | |
| 713 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 714 | show, 0, 0, flags); |
| 715 | } |
| 716 | break; |
| 717 | |
| 718 | case TYPE_CODE_MEMBERPTR: |
| 719 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 720 | show, 0, 0, flags); |
| 721 | break; |
| 722 | |
| 723 | case TYPE_CODE_METHODPTR: |
| 724 | fprintf_filtered (stream, ")"); |
| 725 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 726 | show, 0, 0, flags); |
| 727 | break; |
| 728 | |
| 729 | case TYPE_CODE_PTR: |
| 730 | case TYPE_CODE_REF: |
| 731 | case TYPE_CODE_RVALUE_REF: |
| 732 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 733 | show, 1, 0, flags); |
| 734 | break; |
| 735 | |
| 736 | case TYPE_CODE_METHOD: |
| 737 | case TYPE_CODE_FUNC: |
| 738 | if (passed_a_ptr) |
| 739 | fprintf_filtered (stream, ")"); |
| 740 | if (!demangled_args) |
| 741 | c_type_print_args (type, stream, 0, current_language->la_language, |
| 742 | flags); |
| 743 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 744 | show, passed_a_ptr, 0, flags); |
| 745 | break; |
| 746 | |
| 747 | case TYPE_CODE_TYPEDEF: |
| 748 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
| 749 | show, passed_a_ptr, 0, flags); |
| 750 | break; |
| 751 | |
| 752 | case TYPE_CODE_UNDEF: |
| 753 | case TYPE_CODE_STRUCT: |
| 754 | case TYPE_CODE_UNION: |
| 755 | case TYPE_CODE_FLAGS: |
| 756 | case TYPE_CODE_ENUM: |
| 757 | case TYPE_CODE_INT: |
| 758 | case TYPE_CODE_FLT: |
| 759 | case TYPE_CODE_VOID: |
| 760 | case TYPE_CODE_ERROR: |
| 761 | case TYPE_CODE_CHAR: |
| 762 | case TYPE_CODE_BOOL: |
| 763 | case TYPE_CODE_SET: |
| 764 | case TYPE_CODE_RANGE: |
| 765 | case TYPE_CODE_STRING: |
| 766 | case TYPE_CODE_COMPLEX: |
| 767 | case TYPE_CODE_NAMESPACE: |
| 768 | case TYPE_CODE_DECFLOAT: |
| 769 | /* These types do not need a suffix. They are listed so that |
| 770 | gcc -Wall will report types that may not have been |
| 771 | considered. */ |
| 772 | break; |
| 773 | default: |
| 774 | error (_("type not handled in c_type_print_varspec_suffix()")); |
| 775 | break; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | /* A helper for c_type_print_base that displays template |
| 780 | parameters and their bindings, if needed. |
| 781 | |
| 782 | TABLE is the local bindings table to use. If NULL, no printing is |
| 783 | done. Note that, at this point, TABLE won't have any useful |
| 784 | information in it -- but it is also used as a flag to |
| 785 | print_name_maybe_canonical to activate searching the global typedef |
| 786 | table. |
| 787 | |
| 788 | TYPE is the type whose template arguments are being displayed. |
| 789 | |
| 790 | STREAM is the stream on which to print. */ |
| 791 | |
| 792 | static void |
| 793 | c_type_print_template_args (const struct type_print_options *flags, |
| 794 | struct type *type, struct ui_file *stream) |
| 795 | { |
| 796 | int first = 1, i; |
| 797 | |
| 798 | if (flags->raw) |
| 799 | return; |
| 800 | |
| 801 | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i) |
| 802 | { |
| 803 | struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i); |
| 804 | |
| 805 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
| 806 | continue; |
| 807 | |
| 808 | if (first) |
| 809 | { |
| 810 | wrap_here (" "); |
| 811 | fprintf_filtered (stream, _("[with %s = "), |
| 812 | SYMBOL_LINKAGE_NAME (sym)); |
| 813 | first = 0; |
| 814 | } |
| 815 | else |
| 816 | { |
| 817 | fputs_filtered (", ", stream); |
| 818 | wrap_here (" "); |
| 819 | fprintf_filtered (stream, "%s = ", SYMBOL_LINKAGE_NAME (sym)); |
| 820 | } |
| 821 | |
| 822 | c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags); |
| 823 | } |
| 824 | |
| 825 | if (!first) |
| 826 | fputs_filtered (_("] "), stream); |
| 827 | } |
| 828 | |
| 829 | /* Print the name of the type (or the ultimate pointer target, |
| 830 | function value or array element), or the description of a structure |
| 831 | or union. |
| 832 | |
| 833 | SHOW positive means print details about the type (e.g. enum |
| 834 | values), and print structure elements passing SHOW - 1 for show. |
| 835 | |
| 836 | SHOW negative means just print the type name or struct tag if there |
| 837 | is one. If there is no name, print something sensible but concise |
| 838 | like "struct {...}". |
| 839 | |
| 840 | SHOW zero means just print the type name or struct tag if there is |
| 841 | one. If there is no name, print something sensible but not as |
| 842 | concise like "struct {int x; int y;}". |
| 843 | |
| 844 | LEVEL is the number of spaces to indent by. |
| 845 | We increase it for some recursive calls. */ |
| 846 | |
| 847 | void |
| 848 | c_type_print_base (struct type *type, struct ui_file *stream, |
| 849 | int show, int level, const struct type_print_options *flags) |
| 850 | { |
| 851 | int i; |
| 852 | int len, real_len; |
| 853 | enum |
| 854 | { |
| 855 | s_none, s_public, s_private, s_protected |
| 856 | } |
| 857 | section_type; |
| 858 | int need_access_label = 0; |
| 859 | int j, len2; |
| 860 | |
| 861 | QUIT; |
| 862 | |
| 863 | if (type == NULL) |
| 864 | { |
| 865 | fputs_filtered (_("<type unknown>"), stream); |
| 866 | return; |
| 867 | } |
| 868 | |
| 869 | /* When SHOW is zero or less, and there is a valid type name, then |
| 870 | always just print the type name directly from the type. */ |
| 871 | /* If we have "typedef struct foo {. . .} bar;" do we want to print |
| 872 | it as "struct foo" or as "bar"? Pick the latter, because C++ |
| 873 | folk tend to expect things like "class5 *foo" rather than "struct |
| 874 | class5 *foo". */ |
| 875 | |
| 876 | if (show <= 0 |
| 877 | && TYPE_NAME (type) != NULL) |
| 878 | { |
| 879 | c_type_print_modifier (type, stream, 0, 1); |
| 880 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
| 881 | return; |
| 882 | } |
| 883 | |
| 884 | type = check_typedef (type); |
| 885 | |
| 886 | switch (TYPE_CODE (type)) |
| 887 | { |
| 888 | case TYPE_CODE_TYPEDEF: |
| 889 | /* If we get here, the typedef doesn't have a name, and we |
| 890 | couldn't resolve TYPE_TARGET_TYPE. Not much we can do. */ |
| 891 | gdb_assert (TYPE_NAME (type) == NULL); |
| 892 | gdb_assert (TYPE_TARGET_TYPE (type) == NULL); |
| 893 | fprintf_filtered (stream, _("<unnamed typedef>")); |
| 894 | break; |
| 895 | |
| 896 | case TYPE_CODE_ARRAY: |
| 897 | case TYPE_CODE_PTR: |
| 898 | case TYPE_CODE_MEMBERPTR: |
| 899 | case TYPE_CODE_REF: |
| 900 | case TYPE_CODE_RVALUE_REF: |
| 901 | case TYPE_CODE_FUNC: |
| 902 | case TYPE_CODE_METHOD: |
| 903 | case TYPE_CODE_METHODPTR: |
| 904 | c_type_print_base (TYPE_TARGET_TYPE (type), |
| 905 | stream, show, level, flags); |
| 906 | break; |
| 907 | |
| 908 | case TYPE_CODE_STRUCT: |
| 909 | case TYPE_CODE_UNION: |
| 910 | { |
| 911 | struct type_print_options local_flags = *flags; |
| 912 | struct type_print_options semi_local_flags = *flags; |
| 913 | struct cleanup *local_cleanups = make_cleanup (null_cleanup, NULL); |
| 914 | |
| 915 | local_flags.local_typedefs = NULL; |
| 916 | semi_local_flags.local_typedefs = NULL; |
| 917 | |
| 918 | if (!flags->raw) |
| 919 | { |
| 920 | if (flags->local_typedefs) |
| 921 | local_flags.local_typedefs |
| 922 | = copy_typedef_hash (flags->local_typedefs); |
| 923 | else |
| 924 | local_flags.local_typedefs = create_typedef_hash (); |
| 925 | |
| 926 | make_cleanup_free_typedef_hash (local_flags.local_typedefs); |
| 927 | } |
| 928 | |
| 929 | c_type_print_modifier (type, stream, 0, 1); |
| 930 | if (TYPE_CODE (type) == TYPE_CODE_UNION) |
| 931 | fprintf_filtered (stream, "union "); |
| 932 | else if (TYPE_DECLARED_CLASS (type)) |
| 933 | fprintf_filtered (stream, "class "); |
| 934 | else |
| 935 | fprintf_filtered (stream, "struct "); |
| 936 | |
| 937 | /* Print the tag if it exists. The HP aCC compiler emits a |
| 938 | spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed |
| 939 | enum}" tag for unnamed struct/union/enum's, which we don't |
| 940 | want to print. */ |
| 941 | if (TYPE_TAG_NAME (type) != NULL |
| 942 | && !startswith (TYPE_TAG_NAME (type), "{unnamed")) |
| 943 | { |
| 944 | /* When printing the tag name, we are still effectively |
| 945 | printing in the outer context, hence the use of FLAGS |
| 946 | here. */ |
| 947 | print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream); |
| 948 | if (show > 0) |
| 949 | fputs_filtered (" ", stream); |
| 950 | } |
| 951 | |
| 952 | if (show < 0) |
| 953 | { |
| 954 | /* If we just printed a tag name, no need to print anything |
| 955 | else. */ |
| 956 | if (TYPE_TAG_NAME (type) == NULL) |
| 957 | fprintf_filtered (stream, "{...}"); |
| 958 | } |
| 959 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 960 | { |
| 961 | struct type *basetype; |
| 962 | int vptr_fieldno; |
| 963 | |
| 964 | c_type_print_template_args (&local_flags, type, stream); |
| 965 | |
| 966 | /* Add in template parameters when printing derivation info. */ |
| 967 | add_template_parameters (local_flags.local_typedefs, type); |
| 968 | cp_type_print_derivation_info (stream, type, &local_flags); |
| 969 | |
| 970 | /* This holds just the global typedefs and the template |
| 971 | parameters. */ |
| 972 | semi_local_flags.local_typedefs |
| 973 | = copy_typedef_hash (local_flags.local_typedefs); |
| 974 | if (semi_local_flags.local_typedefs) |
| 975 | make_cleanup_free_typedef_hash (semi_local_flags.local_typedefs); |
| 976 | |
| 977 | /* Now add in the local typedefs. */ |
| 978 | recursively_update_typedef_hash (local_flags.local_typedefs, type); |
| 979 | |
| 980 | fprintf_filtered (stream, "{\n"); |
| 981 | if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0 |
| 982 | && TYPE_TYPEDEF_FIELD_COUNT (type) == 0) |
| 983 | { |
| 984 | if (TYPE_STUB (type)) |
| 985 | fprintfi_filtered (level + 4, stream, |
| 986 | _("<incomplete type>\n")); |
| 987 | else |
| 988 | fprintfi_filtered (level + 4, stream, |
| 989 | _("<no data fields>\n")); |
| 990 | } |
| 991 | |
| 992 | /* Start off with no specific section type, so we can print |
| 993 | one for the first field we find, and use that section type |
| 994 | thereafter until we find another type. */ |
| 995 | |
| 996 | section_type = s_none; |
| 997 | |
| 998 | /* For a class, if all members are private, there's no need |
| 999 | for a "private:" label; similarly, for a struct or union |
| 1000 | masquerading as a class, if all members are public, there's |
| 1001 | no need for a "public:" label. */ |
| 1002 | |
| 1003 | if (TYPE_DECLARED_CLASS (type)) |
| 1004 | { |
| 1005 | QUIT; |
| 1006 | len = TYPE_NFIELDS (type); |
| 1007 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 1008 | if (!TYPE_FIELD_PRIVATE (type, i)) |
| 1009 | { |
| 1010 | need_access_label = 1; |
| 1011 | break; |
| 1012 | } |
| 1013 | QUIT; |
| 1014 | if (!need_access_label) |
| 1015 | { |
| 1016 | len2 = TYPE_NFN_FIELDS (type); |
| 1017 | for (j = 0; j < len2; j++) |
| 1018 | { |
| 1019 | len = TYPE_FN_FIELDLIST_LENGTH (type, j); |
| 1020 | for (i = 0; i < len; i++) |
| 1021 | if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, |
| 1022 | j), i)) |
| 1023 | { |
| 1024 | need_access_label = 1; |
| 1025 | break; |
| 1026 | } |
| 1027 | if (need_access_label) |
| 1028 | break; |
| 1029 | } |
| 1030 | } |
| 1031 | } |
| 1032 | else |
| 1033 | { |
| 1034 | QUIT; |
| 1035 | len = TYPE_NFIELDS (type); |
| 1036 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 1037 | if (TYPE_FIELD_PRIVATE (type, i) |
| 1038 | || TYPE_FIELD_PROTECTED (type, i)) |
| 1039 | { |
| 1040 | need_access_label = 1; |
| 1041 | break; |
| 1042 | } |
| 1043 | QUIT; |
| 1044 | if (!need_access_label) |
| 1045 | { |
| 1046 | len2 = TYPE_NFN_FIELDS (type); |
| 1047 | for (j = 0; j < len2; j++) |
| 1048 | { |
| 1049 | QUIT; |
| 1050 | len = TYPE_FN_FIELDLIST_LENGTH (type, j); |
| 1051 | for (i = 0; i < len; i++) |
| 1052 | if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, |
| 1053 | j), i) |
| 1054 | || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, |
| 1055 | j), |
| 1056 | i)) |
| 1057 | { |
| 1058 | need_access_label = 1; |
| 1059 | break; |
| 1060 | } |
| 1061 | if (need_access_label) |
| 1062 | break; |
| 1063 | } |
| 1064 | } |
| 1065 | } |
| 1066 | |
| 1067 | /* If there is a base class for this type, |
| 1068 | do not print the field that it occupies. */ |
| 1069 | |
| 1070 | len = TYPE_NFIELDS (type); |
| 1071 | vptr_fieldno = get_vptr_fieldno (type, &basetype); |
| 1072 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 1073 | { |
| 1074 | QUIT; |
| 1075 | |
| 1076 | /* If we have a virtual table pointer, omit it. Even if |
| 1077 | virtual table pointers are not specifically marked in |
| 1078 | the debug info, they should be artificial. */ |
| 1079 | if ((i == vptr_fieldno && type == basetype) |
| 1080 | || TYPE_FIELD_ARTIFICIAL (type, i)) |
| 1081 | continue; |
| 1082 | |
| 1083 | if (need_access_label) |
| 1084 | { |
| 1085 | if (TYPE_FIELD_PROTECTED (type, i)) |
| 1086 | { |
| 1087 | if (section_type != s_protected) |
| 1088 | { |
| 1089 | section_type = s_protected; |
| 1090 | fprintfi_filtered (level + 2, stream, |
| 1091 | "protected:\n"); |
| 1092 | } |
| 1093 | } |
| 1094 | else if (TYPE_FIELD_PRIVATE (type, i)) |
| 1095 | { |
| 1096 | if (section_type != s_private) |
| 1097 | { |
| 1098 | section_type = s_private; |
| 1099 | fprintfi_filtered (level + 2, stream, |
| 1100 | "private:\n"); |
| 1101 | } |
| 1102 | } |
| 1103 | else |
| 1104 | { |
| 1105 | if (section_type != s_public) |
| 1106 | { |
| 1107 | section_type = s_public; |
| 1108 | fprintfi_filtered (level + 2, stream, |
| 1109 | "public:\n"); |
| 1110 | } |
| 1111 | } |
| 1112 | } |
| 1113 | |
| 1114 | print_spaces_filtered (level + 4, stream); |
| 1115 | if (field_is_static (&TYPE_FIELD (type, i))) |
| 1116 | fprintf_filtered (stream, "static "); |
| 1117 | c_print_type (TYPE_FIELD_TYPE (type, i), |
| 1118 | TYPE_FIELD_NAME (type, i), |
| 1119 | stream, show - 1, level + 4, |
| 1120 | &local_flags); |
| 1121 | if (!field_is_static (&TYPE_FIELD (type, i)) |
| 1122 | && TYPE_FIELD_PACKED (type, i)) |
| 1123 | { |
| 1124 | /* It is a bitfield. This code does not attempt |
| 1125 | to look at the bitpos and reconstruct filler, |
| 1126 | unnamed fields. This would lead to misleading |
| 1127 | results if the compiler does not put out fields |
| 1128 | for such things (I don't know what it does). */ |
| 1129 | fprintf_filtered (stream, " : %d", |
| 1130 | TYPE_FIELD_BITSIZE (type, i)); |
| 1131 | } |
| 1132 | fprintf_filtered (stream, ";\n"); |
| 1133 | } |
| 1134 | |
| 1135 | /* If there are both fields and methods, put a blank line |
| 1136 | between them. Make sure to count only method that we |
| 1137 | will display; artificial methods will be hidden. */ |
| 1138 | len = TYPE_NFN_FIELDS (type); |
| 1139 | if (!flags->print_methods) |
| 1140 | len = 0; |
| 1141 | real_len = 0; |
| 1142 | for (i = 0; i < len; i++) |
| 1143 | { |
| 1144 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 1145 | int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 1146 | int j; |
| 1147 | |
| 1148 | for (j = 0; j < len2; j++) |
| 1149 | if (!TYPE_FN_FIELD_ARTIFICIAL (f, j)) |
| 1150 | real_len++; |
| 1151 | } |
| 1152 | if (real_len > 0 && section_type != s_none) |
| 1153 | fprintf_filtered (stream, "\n"); |
| 1154 | |
| 1155 | /* C++: print out the methods. */ |
| 1156 | for (i = 0; i < len; i++) |
| 1157 | { |
| 1158 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 1159 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 1160 | const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 1161 | const char *name = type_name_no_tag (type); |
| 1162 | int is_constructor = name && strcmp (method_name, |
| 1163 | name) == 0; |
| 1164 | |
| 1165 | for (j = 0; j < len2; j++) |
| 1166 | { |
| 1167 | const char *mangled_name; |
| 1168 | char *demangled_name; |
| 1169 | struct cleanup *inner_cleanup; |
| 1170 | const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
| 1171 | int is_full_physname_constructor = |
| 1172 | TYPE_FN_FIELD_CONSTRUCTOR (f, j) |
| 1173 | || is_constructor_name (physname) |
| 1174 | || is_destructor_name (physname) |
| 1175 | || method_name[0] == '~'; |
| 1176 | |
| 1177 | /* Do not print out artificial methods. */ |
| 1178 | if (TYPE_FN_FIELD_ARTIFICIAL (f, j)) |
| 1179 | continue; |
| 1180 | |
| 1181 | inner_cleanup = make_cleanup (null_cleanup, NULL); |
| 1182 | |
| 1183 | QUIT; |
| 1184 | if (TYPE_FN_FIELD_PROTECTED (f, j)) |
| 1185 | { |
| 1186 | if (section_type != s_protected) |
| 1187 | { |
| 1188 | section_type = s_protected; |
| 1189 | fprintfi_filtered (level + 2, stream, |
| 1190 | "protected:\n"); |
| 1191 | } |
| 1192 | } |
| 1193 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) |
| 1194 | { |
| 1195 | if (section_type != s_private) |
| 1196 | { |
| 1197 | section_type = s_private; |
| 1198 | fprintfi_filtered (level + 2, stream, |
| 1199 | "private:\n"); |
| 1200 | } |
| 1201 | } |
| 1202 | else |
| 1203 | { |
| 1204 | if (section_type != s_public) |
| 1205 | { |
| 1206 | section_type = s_public; |
| 1207 | fprintfi_filtered (level + 2, stream, |
| 1208 | "public:\n"); |
| 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | print_spaces_filtered (level + 4, stream); |
| 1213 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
| 1214 | fprintf_filtered (stream, "virtual "); |
| 1215 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| 1216 | fprintf_filtered (stream, "static "); |
| 1217 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
| 1218 | { |
| 1219 | /* Keep GDB from crashing here. */ |
| 1220 | fprintf_filtered (stream, |
| 1221 | _("<undefined type> %s;\n"), |
| 1222 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
| 1223 | break; |
| 1224 | } |
| 1225 | else if (!is_constructor /* Constructors don't |
| 1226 | have declared |
| 1227 | types. */ |
| 1228 | && !is_full_physname_constructor /* " " */ |
| 1229 | && !is_type_conversion_operator (type, i, j)) |
| 1230 | { |
| 1231 | c_print_type (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), |
| 1232 | "", stream, -1, 0, |
| 1233 | &local_flags); |
| 1234 | fputs_filtered (" ", stream); |
| 1235 | } |
| 1236 | if (TYPE_FN_FIELD_STUB (f, j)) |
| 1237 | { |
| 1238 | char *tem; |
| 1239 | |
| 1240 | /* Build something we can demangle. */ |
| 1241 | tem = gdb_mangle_name (type, i, j); |
| 1242 | make_cleanup (xfree, tem); |
| 1243 | mangled_name = tem; |
| 1244 | } |
| 1245 | else |
| 1246 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); |
| 1247 | |
| 1248 | demangled_name = |
| 1249 | gdb_demangle (mangled_name, |
| 1250 | DMGL_ANSI | DMGL_PARAMS); |
| 1251 | if (demangled_name == NULL) |
| 1252 | { |
| 1253 | /* In some cases (for instance with the HP |
| 1254 | demangling), if a function has more than 10 |
| 1255 | arguments, the demangling will fail. |
| 1256 | Let's try to reconstruct the function |
| 1257 | signature from the symbol information. */ |
| 1258 | if (!TYPE_FN_FIELD_STUB (f, j)) |
| 1259 | { |
| 1260 | int staticp = TYPE_FN_FIELD_STATIC_P (f, j); |
| 1261 | struct type *mtype = TYPE_FN_FIELD_TYPE (f, j); |
| 1262 | |
| 1263 | cp_type_print_method_args (mtype, |
| 1264 | "", |
| 1265 | method_name, |
| 1266 | staticp, |
| 1267 | stream, &local_flags); |
| 1268 | } |
| 1269 | else |
| 1270 | fprintf_filtered (stream, |
| 1271 | _("<badly mangled name '%s'>"), |
| 1272 | mangled_name); |
| 1273 | } |
| 1274 | else |
| 1275 | { |
| 1276 | char *p; |
| 1277 | char *demangled_no_class |
| 1278 | = remove_qualifiers (demangled_name); |
| 1279 | |
| 1280 | /* Get rid of the `static' appended by the |
| 1281 | demangler. */ |
| 1282 | p = strstr (demangled_no_class, " static"); |
| 1283 | if (p != NULL) |
| 1284 | { |
| 1285 | int length = p - demangled_no_class; |
| 1286 | char *demangled_no_static; |
| 1287 | |
| 1288 | demangled_no_static |
| 1289 | = (char *) xmalloc (length + 1); |
| 1290 | strncpy (demangled_no_static, |
| 1291 | demangled_no_class, length); |
| 1292 | *(demangled_no_static + length) = '\0'; |
| 1293 | fputs_filtered (demangled_no_static, stream); |
| 1294 | xfree (demangled_no_static); |
| 1295 | } |
| 1296 | else |
| 1297 | fputs_filtered (demangled_no_class, stream); |
| 1298 | xfree (demangled_name); |
| 1299 | } |
| 1300 | |
| 1301 | do_cleanups (inner_cleanup); |
| 1302 | |
| 1303 | fprintf_filtered (stream, ";\n"); |
| 1304 | } |
| 1305 | } |
| 1306 | |
| 1307 | /* Print typedefs defined in this class. */ |
| 1308 | |
| 1309 | if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs) |
| 1310 | { |
| 1311 | if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0) |
| 1312 | fprintf_filtered (stream, "\n"); |
| 1313 | |
| 1314 | for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++) |
| 1315 | { |
| 1316 | struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i); |
| 1317 | |
| 1318 | /* Dereference the typedef declaration itself. */ |
| 1319 | gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF); |
| 1320 | target = TYPE_TARGET_TYPE (target); |
| 1321 | |
| 1322 | print_spaces_filtered (level + 4, stream); |
| 1323 | fprintf_filtered (stream, "typedef "); |
| 1324 | |
| 1325 | /* We want to print typedefs with substitutions |
| 1326 | from the template parameters or globally-known |
| 1327 | typedefs but not local typedefs. */ |
| 1328 | c_print_type (target, |
| 1329 | TYPE_TYPEDEF_FIELD_NAME (type, i), |
| 1330 | stream, show - 1, level + 4, |
| 1331 | &semi_local_flags); |
| 1332 | fprintf_filtered (stream, ";\n"); |
| 1333 | } |
| 1334 | } |
| 1335 | |
| 1336 | fprintfi_filtered (level, stream, "}"); |
| 1337 | } |
| 1338 | |
| 1339 | do_cleanups (local_cleanups); |
| 1340 | } |
| 1341 | break; |
| 1342 | |
| 1343 | case TYPE_CODE_ENUM: |
| 1344 | c_type_print_modifier (type, stream, 0, 1); |
| 1345 | fprintf_filtered (stream, "enum "); |
| 1346 | if (TYPE_DECLARED_CLASS (type)) |
| 1347 | fprintf_filtered (stream, "class "); |
| 1348 | /* Print the tag name if it exists. |
| 1349 | The aCC compiler emits a spurious |
| 1350 | "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}" |
| 1351 | tag for unnamed struct/union/enum's, which we don't |
| 1352 | want to print. */ |
| 1353 | if (TYPE_TAG_NAME (type) != NULL |
| 1354 | && !startswith (TYPE_TAG_NAME (type), "{unnamed")) |
| 1355 | { |
| 1356 | print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream); |
| 1357 | if (show > 0) |
| 1358 | fputs_filtered (" ", stream); |
| 1359 | } |
| 1360 | |
| 1361 | wrap_here (" "); |
| 1362 | if (show < 0) |
| 1363 | { |
| 1364 | /* If we just printed a tag name, no need to print anything |
| 1365 | else. */ |
| 1366 | if (TYPE_TAG_NAME (type) == NULL) |
| 1367 | fprintf_filtered (stream, "{...}"); |
| 1368 | } |
| 1369 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
| 1370 | { |
| 1371 | LONGEST lastval = 0; |
| 1372 | |
| 1373 | /* We can't handle this case perfectly, as DWARF does not |
| 1374 | tell us whether or not the underlying type was specified |
| 1375 | in the source (and other debug formats don't provide this |
| 1376 | at all). We choose to print the underlying type, if it |
| 1377 | has a name, when in C++ on the theory that it's better to |
| 1378 | print too much than too little; but conversely not to |
| 1379 | print something egregiously outside the current |
| 1380 | language's syntax. */ |
| 1381 | if (current_language->la_language == language_cplus |
| 1382 | && TYPE_TARGET_TYPE (type) != NULL) |
| 1383 | { |
| 1384 | struct type *underlying = check_typedef (TYPE_TARGET_TYPE (type)); |
| 1385 | |
| 1386 | if (TYPE_NAME (underlying) != NULL) |
| 1387 | fprintf_filtered (stream, ": %s ", TYPE_NAME (underlying)); |
| 1388 | } |
| 1389 | |
| 1390 | fprintf_filtered (stream, "{"); |
| 1391 | len = TYPE_NFIELDS (type); |
| 1392 | for (i = 0; i < len; i++) |
| 1393 | { |
| 1394 | QUIT; |
| 1395 | if (i) |
| 1396 | fprintf_filtered (stream, ", "); |
| 1397 | wrap_here (" "); |
| 1398 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 1399 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
| 1400 | { |
| 1401 | fprintf_filtered (stream, " = %s", |
| 1402 | plongest (TYPE_FIELD_ENUMVAL (type, i))); |
| 1403 | lastval = TYPE_FIELD_ENUMVAL (type, i); |
| 1404 | } |
| 1405 | lastval++; |
| 1406 | } |
| 1407 | fprintf_filtered (stream, "}"); |
| 1408 | } |
| 1409 | break; |
| 1410 | |
| 1411 | case TYPE_CODE_FLAGS: |
| 1412 | { |
| 1413 | struct type_print_options local_flags = *flags; |
| 1414 | |
| 1415 | local_flags.local_typedefs = NULL; |
| 1416 | |
| 1417 | c_type_print_modifier (type, stream, 0, 1); |
| 1418 | fprintf_filtered (stream, "flag "); |
| 1419 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
| 1420 | if (show > 0) |
| 1421 | { |
| 1422 | fputs_filtered (" ", stream); |
| 1423 | fprintf_filtered (stream, "{\n"); |
| 1424 | if (TYPE_NFIELDS (type) == 0) |
| 1425 | { |
| 1426 | if (TYPE_STUB (type)) |
| 1427 | fprintfi_filtered (level + 4, stream, |
| 1428 | _("<incomplete type>\n")); |
| 1429 | else |
| 1430 | fprintfi_filtered (level + 4, stream, |
| 1431 | _("<no data fields>\n")); |
| 1432 | } |
| 1433 | len = TYPE_NFIELDS (type); |
| 1434 | for (i = 0; i < len; i++) |
| 1435 | { |
| 1436 | QUIT; |
| 1437 | print_spaces_filtered (level + 4, stream); |
| 1438 | /* We pass "show" here and not "show - 1" to get enum types |
| 1439 | printed. There's no other way to see them. */ |
| 1440 | c_print_type (TYPE_FIELD_TYPE (type, i), |
| 1441 | TYPE_FIELD_NAME (type, i), |
| 1442 | stream, show, level + 4, |
| 1443 | &local_flags); |
| 1444 | fprintf_filtered (stream, " @%s", |
| 1445 | plongest (TYPE_FIELD_BITPOS (type, i))); |
| 1446 | if (TYPE_FIELD_BITSIZE (type, i) > 1) |
| 1447 | { |
| 1448 | fprintf_filtered (stream, "-%s", |
| 1449 | plongest (TYPE_FIELD_BITPOS (type, i) |
| 1450 | + TYPE_FIELD_BITSIZE (type, i) |
| 1451 | - 1)); |
| 1452 | } |
| 1453 | fprintf_filtered (stream, ";\n"); |
| 1454 | } |
| 1455 | fprintfi_filtered (level, stream, "}"); |
| 1456 | } |
| 1457 | } |
| 1458 | break; |
| 1459 | |
| 1460 | case TYPE_CODE_VOID: |
| 1461 | fprintf_filtered (stream, "void"); |
| 1462 | break; |
| 1463 | |
| 1464 | case TYPE_CODE_UNDEF: |
| 1465 | fprintf_filtered (stream, _("struct <unknown>")); |
| 1466 | break; |
| 1467 | |
| 1468 | case TYPE_CODE_ERROR: |
| 1469 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); |
| 1470 | break; |
| 1471 | |
| 1472 | case TYPE_CODE_RANGE: |
| 1473 | /* This should not occur. */ |
| 1474 | fprintf_filtered (stream, _("<range type>")); |
| 1475 | break; |
| 1476 | |
| 1477 | case TYPE_CODE_NAMESPACE: |
| 1478 | fputs_filtered ("namespace ", stream); |
| 1479 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
| 1480 | break; |
| 1481 | |
| 1482 | default: |
| 1483 | /* Handle types not explicitly handled by the other cases, such |
| 1484 | as fundamental types. For these, just print whatever the |
| 1485 | type name is, as recorded in the type itself. If there is no |
| 1486 | type name, then complain. */ |
| 1487 | if (TYPE_NAME (type) != NULL) |
| 1488 | { |
| 1489 | c_type_print_modifier (type, stream, 0, 1); |
| 1490 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
| 1491 | } |
| 1492 | else |
| 1493 | { |
| 1494 | /* At least for dump_symtab, it is important that this not |
| 1495 | be an error (). */ |
| 1496 | fprintf_filtered (stream, _("<invalid type code %d>"), |
| 1497 | TYPE_CODE (type)); |
| 1498 | } |
| 1499 | break; |
| 1500 | } |
| 1501 | } |